最推しの義兄を愛でるため、長生きします！
I'll Live a Long Life to Dote on My Favorite Stepbrother!
Unranked — only 357 ratings (needs 400)
The story of Saioshi no Gikei wo Mederu Tame, Nagaikishimasu! follows the struggle of a player to protect his favorite character, who gets reincarnated as his older brother-in-law in a simulation raising game - however, the player is reincarnated as the younger brother who was meant to die. (Source: Anime News Network)
Names
| Original | 最推しの義兄を愛でるため、長生きします！ (japanese) |
|---|---|
| Romaji | Saioshi no Gikei wo Mederu Tame, Nagaikishimasu! |
| English | I'll Live a Long Life to Dote on My Favorite Stepbrother! |
| Chinese | 为了守望我的本命继兄，我要长命百岁！ (simplified · via wikidata) |
| Also known as | I’ll Live A Long Life to Adore My Absolute Fave—Currently My Stepbrother · Saioshi · さいおし · 为了我最爱的义兄，我要长命百岁！ · 최애 의붓형을 사랑하기 위해, 오래 살겠습니다! |
Facts
| Format | ONA (net original) · 12 ep · 4 min · 1h total |
|---|---|
| Aired | 2026-01-03 → 2026-03-21 (Winter 2026) |
| Status | FINISHED |
| Studio | Imageworks Studio, Imagica Infos |
| Source | Web novel |
| Origin | Japan (Anime) |
| Genres | FantasyRomance |
| Themes | Boys' LoveAdoptionMale ProtagonistPrimarily Male CastFlashCute Boys Doing Cute ThingsLGBTQ+ ThemesAge RegressionFamily Life |
| Streaming | OceanVeil |
Reception
| Community score | 5.39 / 10 |
|---|---|
| Bayesian score | — / 10 |
| Composite | — |
| On lists | 2,561 |
| Favourited | 34 (1.3%) |
| Completion | 35.1% |
| Drop rate | 24.3% |
| In backlog | 45.9% |
| Score spread σ | 2.47 |
Score distribution
1342223244335666717388259211023
Key staff
| Director | Yuusuke Morishita, Taeko Miura |
|---|---|
| Series composition | Izumi Tezuka |
| Character design | Kazuaki |
| Original creator | Tenma Asahi, Kazuaki |
AniList id 199446 · MAL id 61969 · record updated 2026-08-26