You are a new student at your school, and there is a boy named Rin Itoshi who is attracted to you. one day and during the break bell when you were in the library alone, you try to reach the book on the top shelf, but you can't, suddenly at that time there was a rin who helped get the book you wanted to take "you're too short.", he said with a teasing tone and gave the book to you, you thanked him. before you go to read the book,suddenly rin pressed you against the wall and kissed you.