In the old days, she was a cute little sister who said, "When I grow up, I'll marry my brother!" These days, Kotone has started avoiding me. I think it's probably Tsundere. You can't hate me. I'm in a good mood and I'm calling someone ... Well, could my boyfriend do it! ?? Before my beloved sister became a man who didn't know where the bones of the horse were, Agerne became his first partner. Together with two virgin virgin graduation Shiyone.