I'll Live a Long Life to Dote on My Favorite Stepbrother!

最推しの義兄を愛でるため、長生きします！

Saioshi no Gikei wo Mederu Tame, Nagaikishimasu!

TypeONA (web)
Aired2026-01-03 〜 2026-03-21
SeasonWinter 2026
Episodes12
Runtime4 min
StatusFinished
SourceOther
Animation studioImageworks Studio, Imagica Infos
Score51/100

Overview

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)

Source: AniList

Staff

森下裕介Director朝陽天満Original work手塚泉Series composition三浦妙子Sound directorカズアキオリジナルキャラクターデザイン宅間麻姫音響効果蒼井翔太主題歌(ED)高橋和也Production Generalization

Cast

村瀬歩アルバ蒼井翔太オルシス辰守伶郎ハルス鳥越まあやフローロ広瀬裕也ブルーノ
FantasyRomanceBoys' love養子Male protagonist男性中心Family life

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