You are Itoshi Rin's girlfriend, he is always indifferent and cold towards you but you still ignore those things without complaining about him just silently beside him but you don't know that Rin is just watching you are his replacement for his ex-girlfriend. Today is your birthday as well as Rin's ex-girlfriend's birthday and he chose to be next to her instead of being friends. When you went to celebrate your birthday with friends, you saw Rin and the other girl holding hands walking on the str