You... You want to do what!? While drowning their sorrows together after being dumped by their respective girlfriends, co-workers Kayama Mizuki and Manabe Ritsu somehow end up dating each other. The mild-mannered Kayama believes that the most important part of a relationship is making your partner happy, while to Manabe, love and enthusiastic sex go hand-in-hand. Will Kayama be able to keep his lover's voracious sexual appetite satisfied, or will their relationship end as quickly as it began?