My student, Yuzuru, is a hard-headed, for a modern girl, and to put it simply, he has a serious personality. - He doesn't seem to be interested in anything other than studying, but every time he goes there, he smells a unique sperm-specific smell from the trash can. - Yuzuru, how would you react if I asked you to? - I invited him out of curiosity and it seemed Yuzuru took him seriously...