A drunken one night stand lead to a series of stupid actions, and the series of stupid actions lead to one serious wedding. How would they learn to tolerate each other, even though they didn't marry for love? A story about Gray x Claire's life after marriage, where tales often don't come with happily ever after… or do they?

Claire invites Gray to her house to celebrate the Starry Night Festival. They were just joking around and having fun until they drank too much.