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.