“I wrote in my elementary school graduation essay that I would get married before I was nearly thirty!!” Due to a petty reason, the older one of the sisters, Narumi, suddenly became interested in getting married. That said, her younger sister has no idea how Narumi, who has never had a boyfriend before, will find anyone. Yukari, the younger sister, watches over her older sister who is a little out of control from a distance. “My sister doesn't look bad at all, and she's not dumb either... but she does have some quirks though. Somebody, please let my sister get married!”