"I love you so much, big brother! You're my ideal type!" Yuna, who loves her brother so much that she can't imagine dating any other man, rejects the confession of her brother's childhood friend. "You think you can just ignore me and keep your romance with your brother?!" Enraged, the man strips off Yuna's panties and forcibly inserts himself from behind. The brother, pushed out onto the balcony, is forced to watch as his sister, desperately reaching out for help, is creampied... but this was only the beginning of the tragedy to come!!