The January 2023 issue of Kadokawa’s Monthly Comic Alive magazine published the final chapter on Saturday of Mutsumi Aoki’s Osananajimi ga Zettai ni Makenai Love Come: Otonari no Yon-shimai ga Zettai ni Honobono suru Nichijō (A Romantic Comedy Where the Childhood Friend Absolutely Will Not Lose: The Four Sisters Next Door Who Absolutely Have A Warm Everyday Life) manga.
The manga is a spinoff of Shūichi Nimaru’s Osananajimi ga Zettai ni Makenai Love Come (A Romantic Comedy Where the Childhood Friend Absolutely Will Not Lose) light novel series, and follows the four sisters in the Shida family.
Crunchyroll streamed the 12-episode series under the title Osamake: Romcom Where The Childhood Friend Won’t Lose.
The spinoff manga launched in January 2021, and Kadokawa published the second volume on February 22.