Natsume, who works at a game company, learns of his new step-sister the day of his mother's wedding. Just as he starts interacting with the game loving girl, he finds out the feelings the other siblings hold towards this girl.  (From: Summer Rain) This features ||an Ema x Natsume ending.|| Based on events in the light novel series *Brothers Conflict* and its otome game (visual novel) and anime adaptations."