When universes collide... Yuzuru has begun to mend things with his ex-girlfriend Ai, finally overcoming his long-held regret. But this relief proves to be short-lived when fellow literature club member Kaoru stops coming to school. Concerned and aware of her situation, Yuzuru tries his best to help, but she refuses him at every turn. Can he keep their friendship from falling to pieces as loneliness and regret take root in Kaoru's heart?