Hitoshi Aoshima is a high school boy who has the power of time-slipping 10 years into the future. Although he can not control this ability, Wagatsuma Ai appears as his future wife there. Later on, he sees different kinds of future of his friends and helps them out to avoid the cruel fate they were supposed to get.
He is a member of DX Brigade, formed by Komatsu Masao. He is in a Male Volleyball Club, but since he is bad at sports, he is a forever-benched player.