★ 6.6 TV Series
Masamune-kun's Revenge
Osamake: Romcom Where The Childhood Friend Won't Lose
Osananajimi ga Zettai ni Makenai Love Kome · 幼なじみが絶対に負けないラブコメ
Storyline
She smiles just for me. Her name is Kachi Shirokusa and she's even an award-winning high school girl writer! And she's beautiful! I know that she's totally out of reach for me, a normal high school kid named Maru Sueharu! But I think something's there... No, there's definitely something there! Or so I thought... but Kachi has a boyfriend?! Seeing me depressed, my friend ever since we were little who's cute, cheerful, and loves to look after others, Shida Kuroha... who also apparently had no problem telling me that she likes me for some reason just suggested, "Let's get revenge." (Source: Crunchyroll)
Trailer
Characters & Japanese Voice Cast
Kuroha Shida
Main
VA: Inori Minase
Shirokusa Kachi
Main
VA: Ayane Sakura
Maria Momosaka
Main
VA: Saori Oonishi
Sueharu Maru
Main
VA: Yoshitsugu Matsuoka
Rena Asagi
Supporting
VA: Tomoyo Takayanagi
Shion Ooragi
Supporting
VA: Kaede Hondo
Tetsuhiko Kai
Supporting
VA: Nobunaga Shimazaki
Aoi Shida
Supporting
VA: Miyuri Shimabukuro
Akane Shida
Supporting
VA: Natsumi Hioka
Midori Shida
Supporting
VA: Akane Fujita
Mitsuru Abe
Supporting
VA: Takuma Terashima
Eri Momosaka
Supporting
VA: Minami TakahashiSimilar Anime
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Frequently Asked Questions
How many episodes does Osamake: Romcom Where The Childhood Friend Won't Lose have?
Osamake: Romcom Where The Childhood Friend Won't Lose has 12 episodes.
Which studio made Osamake: Romcom Where The Childhood Friend Won't Lose?
Osamake: Romcom Where The Childhood Friend Won't Lose is produced by Doga Kobo.
Facts from AniList (also listed on MyAnimeList); streaming availability from JustWatch India. Last updated 17 October 2026, 3:35 AM IST. Episode times are Japan broadcast times shown in IST. Spotted a mistake? Write to [email protected].