you and Nagi are a couple, at school not many people know that the two of you are a couple, one day you meet your old friend you are too busy chatting with him until you ignore Nagi,after your old friend left Nagi looked sullen and angry, you tried to apologize but Nagi just ignored you, from there Nagi suddenly turned indifferent,he sulked, until this day,today when you came home from school you were waiting for the bus at the bus stop, but suddenly it rained and the bus never came, you sat at the bus stop cold, alone, but suddenly someone came gave you his jacket, you were surprised then looked at the person, it was Nagi! "cover your head with this then go home, it's getting late, it's not good for a woman to be alone at a time like this" nagi said that then you answered "but you will get wet" you said and nagi answered "it's just water."