Wagatsuma-san wa Ore no Yome

Synopsis

High school sophomore Aoshima longs for a girlfriend but has little reason to expect his wish will come true. After mysteriously waking a decade later, he discovers that he is married to Ai Wagatsuma, the most admired girl at school. Returning to the question of how their distant acquaintance became a married couple, Aoshima must uncover what shaped their relationship.