One day, Ema finds out that her dad is going to remarry a successful clothing maker named Miwa Asahina.

As time moves on, her stepbrothers develop feelings for her and compete in ways to win her heart when all Ema wants to have is a loving family.

Ema has a pet squirrel named Juli that helps her when times are tough that only she and her new brother Louis can understand.

Brothers Conflict Purupuru is a manga spinoff of the light novel featuring the characters from the novel in chibi form.

A 12-episode anime television series adaptation of Brothers Conflict was produced by Brain's Base and directed by Atsushi Matsumoto.