Brothers Conflict

Brothers Conflict (ブラザーズ コンフリクト, Burazāzu Konfurikuto), also known as BroCon, is a Japanese novel series created by Atsuko Kanase, written by Takeshi Mizuno and illustrated by Udajo. It has been adapted into two PlayStation Portable video games by Idea Factory, a yonkoma manga series and an anime television series. The 12-episode anime aired between July and September 2013 and is animated by Brain's Base. Funimation has acquired the North American streaming rights for the anime.

Plot
After her dad remarries, Ema moves into the Asahina Family house and acquires 13 new step-brothers. Ema intended to live peacefully with them as a family, but the sudden appearance of a girl in an all male household causes an uproar. Going on with their lives, the brother’s feelings for Ema start change and could be the start of a romance or being close friends.