Tetsuro was a very small boy who was often bullied. But now he's 183cm tall and the captain of the volleyball team. And yet, his childhood friend Asahi continues to bully him for some reason. And for some unknown reason, that bullying feels good to Tetsuro. But what happens when Asahi suddenly stops picking on him!?This series has been published in Japan since 2006 which Japanese title name is "Pika Pika Days"