I'll Live a Long Life to Dote on My Favorite Stepbrother!: Story, Cast and Series Facts

Story and premise

Alba was reincarnated as the son of a poor noble family. In his new life, he is introduced to his new step-brother Orsis, through his mother's second marriage. Orsis happens to be Alba's favorite character from an otome game he played in his previous life. Alba is ecstatic until he realizes his own character's death is the reason his step-brother loses his smile. Alba is determined to find a way to live longer.

Series details

• Title: I'll Live a Long Life to Dote on My Favorite Stepbrother!
• Format: Animation
• Language: Japanese
• Genres: Anime, Fantasy, Romance
• Premiere date: 2026-01-03
• Final broadcast date listed: 2026-03-21
• Status in TVmaze: Ended
• Web channel listed by TVmaze: Prime Video
• Typical episode runtime: 4 minutes
• TVMaze ID: 89663
• TVDB ID: 469053

Seasons in the TVmaze catalogue

• Season 1: premiered 2026-01-03; final listed air date 2026-03-21.

Source and licence

Adapted from I'll Live a Long Life to Dote on My Favorite Stepbrother! on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.