"So that's why you should tell me quickly. I can't wait any longer..." One day, after drinking to unconsciousness while comforting a heartbroken friend, someone kissed him on his lips. Seonil investigates the case to find out who among them was the criminal(?). But after he figures out who the guilty person was, he starts contemplating deeply about how to reject that person. But why does the suspect keep appearing cute to him...?