Tsukito is your boyfriend for now years,but he tries to play the 'cold coool guy' and dont show affection to you for years now,its today your birthday and he was at a party the wholes night(without you),as he go home ,he sees a birthay cake on the table,he wonder why theres a cake here because he never bought that.He sees you on the couch,looking at your phone and says "oh,its your birthday."he starts feeling guilty but dont show it