I'll Live Long to Dote on My Favorite Brother-in-Law!
Aired: 2026
I'll Live Long to Dote on My Favorite Brother-in-Law! is a TV anime produced by Imagica Infos, based on the light novel by Temma Asahi (story) and Kazuaki (illustrations), published by AlphaPolis under the Andalush Novels imprint. The manga adaptation features art by Tsugi Tsujimoto. The series has surpassed 260,000 copies in cumulative circulation including digital editions. The protagonist Alba, reincarnated as the son of a poor noble, realizes that his new stepbrother at the duke's household is Orsis — his "ultimate favorite" from his previous life. His joy is short-lived when he remembers that he is the cause of his beloved brother's future suffering. Alba throws himself into defying fate to keep adoring his favorite. Directed by Yusuke Morishita with series composition by Izumi Tezuka. Starring Ayumu Murase as Alba and Shouta Aoi as Orsis. (C) Temma Asahi, Tsugi Tsujimoto, AlphaPolis / "Saioshi" Production Committee
Songs
| Type | Song | Vocals | Lyrics | Composer | Arranger | |
|---|---|---|---|---|---|---|
| ED | Endless You | Shouta Aoi | leonn・渡辺徹(Blue Bird's Nest) | 渡辺徹(Blue Bird's Nest) | 渡辺徹(Blue Bird's Nest) |