On the day her employer went bankrupt, Nagiko was also dumped by her long-time lover. While pondering what to do with her life ......, she meets her childhood friend Kohei for the first time in several years. While talking about their recent situation, he suddenly proposes to her for some reason!　The marriage was (supposedly) decided on the spur of the moment, but the husband is clumsy, sweet and gentle, and devoted to his wife. In addition, because of his profession, he has to train himself every day, so his expressions of love are energetic and never stop, no matter whether he sleeps or wakes up!