diff --git a/crates/api_clients/seedance2pro_client/src/requests/mod.rs b/crates/api_clients/seedance2pro_client/src/requests/mod.rs
index 3255083b76..767c04fc68 100644
--- a/crates/api_clients/seedance2pro_client/src/requests/mod.rs
+++ b/crates/api_clients/seedance2pro_client/src/requests/mod.rs
@@ -4,4 +4,5 @@ pub mod kinovi_host;
 pub mod poll_characters;
 pub mod poll_orders;
 pub mod prepare_file_upload;
+pub mod update_character;
 pub mod upload_file;
diff --git a/crates/api_clients/seedance2pro_client/src/requests/update_character/mod.rs b/crates/api_clients/seedance2pro_client/src/requests/update_character/mod.rs
new file mode 100644
index 0000000000..e7abf05796
--- /dev/null
+++ b/crates/api_clients/seedance2pro_client/src/requests/update_character/mod.rs
@@ -0,0 +1,2 @@
+pub mod update_character;
+pub(crate) mod request_types;
diff --git a/crates/api_clients/seedance2pro_client/src/requests/update_character/request_types.rs b/crates/api_clients/seedance2pro_client/src/requests/update_character/request_types.rs
new file mode 100644
index 0000000000..963523f3aa
--- /dev/null
+++ b/crates/api_clients/seedance2pro_client/src/requests/update_character/request_types.rs
@@ -0,0 +1,44 @@
+use serde_derive::{Deserialize, Serialize};
+
+// ======================== Request ========================
+
+#[derive(Serialize, Debug)]
+pub(super) struct BatchRequest {
+  #[serde(rename = "0")]
+  pub zero: BatchRequestInner,
+}
+
+#[derive(Serialize, Debug)]
+pub(super) struct BatchRequestInner {
+  pub json: BatchRequestJson,
+}
+
+#[derive(Serialize, Debug)]
+#[serde(rename_all = "camelCase")]
+pub(super) struct BatchRequestJson {
+  pub character_id: String,
+  pub name: String,
+  pub description: String,
+}
+
+// ======================== Response ========================
+
+#[derive(Deserialize, Debug)]
+pub(super) struct BatchResponseItem {
+  pub result: BatchResponseResult,
+}
+
+#[derive(Deserialize, Debug)]
+pub(super) struct BatchResponseResult {
+  pub data: BatchResponseData,
+}
+
+#[derive(Deserialize, Debug)]
+pub(super) struct BatchResponseData {
+  pub json: UpdateCharacterResponseJson,
+}
+
+#[derive(Deserialize, Debug)]
+pub(super) struct UpdateCharacterResponseJson {
+  pub success: bool,
+}
diff --git a/crates/api_clients/seedance2pro_client/src/requests/update_character/update_character.rs b/crates/api_clients/seedance2pro_client/src/requests/update_character/update_character.rs
new file mode 100644
index 0000000000..c9ca66b658
--- /dev/null
+++ b/crates/api_clients/seedance2pro_client/src/requests/update_character/update_character.rs
@@ -0,0 +1,203 @@
+use crate::creds::seedance2pro_session::Seedance2ProSession;
+use crate::error::seedance2pro_client_error::Seedance2ProClientError;
+use crate::error::seedance2pro_error::Seedance2ProError;
+use crate::error::seedance2pro_generic_api_error::Seedance2ProGenericApiError;
+use crate::requests::update_character::request_types::*;
+use crate::requests::kinovi_host::{KinoviHost, resolve_host};
+use crate::utils::common_headers::FIREFOX_USER_AGENT;
+use log::info;
+use wreq::Client;
+use wreq_util::Emulation;
+
+// --- Public args ---
+
+pub struct UpdateCharacterArgs<'a> {
+  pub session: &'a Seedance2ProSession,
+
+  /// The Kinovi character ID (e.g. "char_1775184656440_vsy3eu").
+  pub character_id: String,
+
+  /// The new name for the character.
+  pub name: String,
+
+  /// The new description (empty string clears it).
+  pub description: String,
+
+  /// Override the default host (kinovi.ai).
+  pub host_override: Option<KinoviHost>,
+}
+
+// --- Public response ---
+
+#[derive(Debug)]
+pub struct UpdateCharacterResponse {
+  pub success: bool,
+}
+
+// --- Implementation ---
+
+pub async fn update_character(args: UpdateCharacterArgs<'_>) -> Result<UpdateCharacterResponse, Seedance2ProError> {
+  let host = resolve_host(args.host_override.as_ref());
+  let base_url = host.api_base_url();
+  let url = format!("{}/api/trpc/character.updateCharacter?batch=1", base_url);
+
+  info!("Updating character '{}' (name='{}', description='{}')", args.character_id, args.name, args.description);
+
+  let request_body = BatchRequest {
+    zero: BatchRequestInner {
+      json: BatchRequestJson {
+        character_id: args.character_id.clone(),
+        name: args.name,
+        description: args.description,
+      },
+    },
+  };
+
+  let cookie = args.session.cookies.as_str();
+  let referer = format!("{}/app/characters", base_url);
+
+  let client = Client::builder()
+    .emulation(Emulation::Firefox143)
+    .build()
+    .map_err(|err| Seedance2ProClientError::WreqClientError(err))?;
+
+  let response = client.post(&url)
+    .header("User-Agent", FIREFOX_USER_AGENT)
+    .header("Accept", "*/*")
+    .header("Accept-Language", "en-US,en;q=0.9")
+    .header("Accept-Encoding", "gzip, deflate, br, zstd")
+    .header("Referer", &referer)
+    .header("Content-Type", "application/json")
+    .header("x-trpc-source", "client")
+    .header("Origin", base_url)
+    .header("Connection", "keep-alive")
+    .header("Cookie", cookie)
+    .header("Sec-Fetch-Dest", "empty")
+    .header("Sec-Fetch-Mode", "cors")
+    .header("Sec-Fetch-Site", "same-origin")
+    .header("Priority", "u=4")
+    .header("TE", "trailers")
+    .json(&request_body)
+    .send()
+    .await
+    .map_err(|err| Seedance2ProGenericApiError::WreqError(err))?;
+
+  let status = response.status();
+  let response_body = response.text()
+    .await
+    .map_err(|err| Seedance2ProGenericApiError::WreqError(err))?;
+
+  info!("Update character response: status={}, body={}", status, response_body);
+
+  if !status.is_success() {
+    return Err(Seedance2ProGenericApiError::UncategorizedBadResponseWithStatusAndBody {
+      status_code: status,
+      body: response_body,
+    }.into());
+  }
+
+  let batch_response: Vec<BatchResponseItem> = serde_json::from_str(&response_body)
+    .map_err(|err| Seedance2ProGenericApiError::SerdeResponseParseErrorWithBody(err, response_body.clone()))?;
+
+  let data = batch_response
+    .into_iter()
+    .next()
+    .ok_or_else(|| Seedance2ProGenericApiError::UncategorizedBadResponse(
+      "Empty batch response array".to_string()
+    ))?
+    .result
+    .data
+    .json;
+
+  Ok(UpdateCharacterResponse {
+    success: data.success,
+  })
+}
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+  use crate::creds::seedance2pro_session::Seedance2ProSession;
+  use crate::test_utils::get_test_cookies::get_test_cookies;
+  use crate::test_utils::setup_test_logging::setup_test_logging;
+  use errors::AnyhowResult;
+  use log::LevelFilter;
+
+  fn test_session() -> AnyhowResult<Seedance2ProSession> {
+    let cookies = get_test_cookies()?;
+    Ok(Seedance2ProSession::from_cookies_string(cookies))
+  }
+
+  // Steampunk Clown character
+  const TEST_CHARACTER_ID: &str = "char_1775176566518_sik0te";
+
+  #[tokio::test]
+  #[ignore] // manually test — requires real cookies, modifies real data
+  async fn test_rename_character() -> AnyhowResult<()> {
+    setup_test_logging(LevelFilter::Trace);
+    let session = test_session()?;
+
+    let result = update_character(UpdateCharacterArgs {
+      session: &session,
+      character_id: TEST_CHARACTER_ID.to_string(),
+      name: "Steampunk Clown (renamed)".to_string(),
+      description: "A steampunk clown character for testing".to_string(),
+      host_override: None,
+    }).await?;
+
+    println!("Success: {}", result.success);
+    assert!(result.success);
+    assert_eq!(1, 2); // NB: Intentional failure to inspect output.
+    Ok(())
+  }
+
+  #[tokio::test]
+  #[ignore] // manually test — requires real cookies, modifies real data
+  async fn test_rename_character_clear_description() -> AnyhowResult<()> {
+    setup_test_logging(LevelFilter::Trace);
+    let session = test_session()?;
+
+    let result = update_character(UpdateCharacterArgs {
+      session: &session,
+      character_id: TEST_CHARACTER_ID.to_string(),
+      name: "Steampunk Clown".to_string(),
+      description: "".to_string(),
+      host_override: None,
+    }).await?;
+
+    println!("Success: {}", result.success);
+    assert!(result.success);
+    assert_eq!(1, 2); // NB: Intentional failure to inspect output.
+    Ok(())
+  }
+
+  #[tokio::test]
+  #[ignore] // manually test — requires real cookies, modifies real data
+  async fn test_rename_and_restore() -> AnyhowResult<()> {
+    setup_test_logging(LevelFilter::Trace);
+    let session = test_session()?;
+
+    // Rename
+    let result = update_character(UpdateCharacterArgs {
+      session: &session,
+      character_id: TEST_CHARACTER_ID.to_string(),
+      name: "Temporary Name".to_string(),
+      description: "Temporary description".to_string(),
+      host_override: None,
+    }).await?;
+    assert!(result.success);
+
+    // Restore
+    let result = update_character(UpdateCharacterArgs {
+      session: &session,
+      character_id: TEST_CHARACTER_ID.to_string(),
+      name: "Steampunk Clown".to_string(),
+      description: "A steampunk clown".to_string(),
+      host_override: None,
+    }).await?;
+    assert!(result.success);
+
+    assert_eq!(1, 2); // NB: Intentional failure to inspect output.
+    Ok(())
+  }
+}
diff --git a/crates/schema/database/mysql_queries/src/queries/characters/get_character_by_token.rs b/crates/schema/database/mysql_queries/src/queries/characters/get_character_by_token.rs
new file mode 100644
index 0000000000..adbcdb507b
--- /dev/null
+++ b/crates/schema/database/mysql_queries/src/queries/characters/get_character_by_token.rs
@@ -0,0 +1,54 @@
+use sqlx::pool::PoolConnection;
+use sqlx::MySql;
+
+use enums::by_table::characters::character_type::CharacterType;
+use tokens::tokens::characters::CharacterToken;
+use tokens::tokens::media_files::MediaFileToken;
+use tokens::tokens::users::UserToken;
+
+/// Full character record for the GET endpoint.
+pub struct CharacterRecord {
+  pub token: CharacterToken,
+  pub character_type: Option<CharacterType>,
+  pub is_active: bool,
+  pub character_name: String,
+  pub maybe_description: Option<String>,
+  pub maybe_avatar_media_token: Option<MediaFileToken>,
+  pub maybe_full_image_media_token: Option<MediaFileToken>,
+  pub maybe_original_upload_media_token: Option<MediaFileToken>,
+  pub maybe_creator_user_token: Option<UserToken>,
+  pub kinovi_character_id: Option<String>,
+  pub kinovi_character_name: Option<String>,
+  pub maybe_kinovi_asset_id: Option<String>,
+}
+
+/// Look up a character by token (excluding soft-deleted).
+pub async fn get_character_by_token(
+  character_token: &CharacterToken,
+  connection: &mut PoolConnection<MySql>,
+) -> Result<Option<CharacterRecord>, sqlx::Error> {
+  sqlx::query_as!(
+    CharacterRecord,
+    r#"
+SELECT
+  token as `token: tokens::tokens::characters::CharacterToken`,
+  character_type as `character_type: enums::by_table::characters::character_type::CharacterType`,
+  is_active as `is_active: bool`,
+  character_name,
+  maybe_description,
+  maybe_avatar_media_token as `maybe_avatar_media_token: tokens::tokens::media_files::MediaFileToken`,
+  maybe_full_image_media_token as `maybe_full_image_media_token: tokens::tokens::media_files::MediaFileToken`,
+  maybe_original_upload_media_token as `maybe_original_upload_media_token: tokens::tokens::media_files::MediaFileToken`,
+  maybe_creator_user_token as `maybe_creator_user_token: tokens::tokens::users::UserToken`,
+  kinovi_character_id,
+  kinovi_character_name,
+  maybe_kinovi_asset_id
+FROM characters
+WHERE token = ?
+  AND deleted_at IS NULL
+    "#,
+    character_token.as_str(),
+  )
+      .fetch_optional(&mut **connection)
+      .await
+}
diff --git a/crates/schema/database/mysql_queries/src/queries/characters/list_active_characters_for_user.rs b/crates/schema/database/mysql_queries/src/queries/characters/list_active_characters_for_user.rs
new file mode 100644
index 0000000000..68d0e44b1a
--- /dev/null
+++ b/crates/schema/database/mysql_queries/src/queries/characters/list_active_characters_for_user.rs
@@ -0,0 +1,86 @@
+use sqlx::pool::PoolConnection;
+use sqlx::MySql;
+
+use enums::by_table::characters::character_type::CharacterType;
+use tokens::tokens::characters::CharacterToken;
+use tokens::tokens::media_files::MediaFileToken;
+use tokens::tokens::users::UserToken;
+
+const DEFAULT_PAGE_SIZE: u32 = 50;
+
+/// A character row for the list endpoint.
+pub struct CharacterListRow {
+  pub id: u64,
+  pub token: CharacterToken,
+  pub character_type: Option<CharacterType>,
+  pub is_active: bool,
+  pub character_name: String,
+  pub maybe_description: Option<String>,
+  pub maybe_avatar_media_token: Option<MediaFileToken>,
+  pub maybe_full_image_media_token: Option<MediaFileToken>,
+  pub maybe_original_upload_media_token: Option<MediaFileToken>,
+  pub maybe_creator_user_token: Option<UserToken>,
+  pub kinovi_character_id: Option<String>,
+  pub kinovi_character_name: Option<String>,
+  pub maybe_kinovi_asset_id: Option<String>,
+}
+
+pub struct ListActiveCharactersResult {
+  pub characters: Vec<CharacterListRow>,
+  pub next_cursor: Option<u64>,
+}
+
+/// List active, non-deleted characters for a user, paginated by descending id.
+pub async fn list_active_characters_for_user(
+  user_token: &UserToken,
+  maybe_cursor: Option<u64>,
+  connection: &mut PoolConnection<MySql>,
+) -> Result<ListActiveCharactersResult, sqlx::Error> {
+  let fetch_limit = (DEFAULT_PAGE_SIZE + 1) as i64;
+  let id_cursor = maybe_cursor.map(|c| c as i64).unwrap_or(i64::MAX);
+
+  let rows = sqlx::query_as!(
+    CharacterListRow,
+    r#"
+SELECT
+  id as `id: u64`,
+  token as `token: tokens::tokens::characters::CharacterToken`,
+  character_type as `character_type: enums::by_table::characters::character_type::CharacterType`,
+  is_active as `is_active: bool`,
+  character_name,
+  maybe_description,
+  maybe_avatar_media_token as `maybe_avatar_media_token: tokens::tokens::media_files::MediaFileToken`,
+  maybe_full_image_media_token as `maybe_full_image_media_token: tokens::tokens::media_files::MediaFileToken`,
+  maybe_original_upload_media_token as `maybe_original_upload_media_token: tokens::tokens::media_files::MediaFileToken`,
+  maybe_creator_user_token as `maybe_creator_user_token: tokens::tokens::users::UserToken`,
+  kinovi_character_id,
+  kinovi_character_name,
+  maybe_kinovi_asset_id
+FROM characters
+WHERE maybe_creator_user_token = ?
+  AND is_active = true
+  AND deleted_at IS NULL
+  AND id < ?
+ORDER BY id DESC
+LIMIT ?
+    "#,
+    user_token.as_str(),
+    id_cursor,
+    fetch_limit,
+  )
+      .fetch_all(&mut **connection)
+      .await?;
+
+  let has_next = rows.len() as u32 >= DEFAULT_PAGE_SIZE;
+  let characters: Vec<CharacterListRow> = rows.into_iter().take(DEFAULT_PAGE_SIZE as usize).collect();
+  let next_cursor = if has_next {
+    characters.last().map(|c| c.id)
+  } else {
+    None
+  };
+
+  Ok(ListActiveCharactersResult {
+    characters,
+    next_cursor,
+  })
+}