After her older sister refuses to go to an arranged marriage meeting with Takane Saibara, the heir to a vast business fortune, high schooler Hana Nonomura agrees to be her stand-in to save face for the family. But what happens when Hana meets Takane is an unexpected pairing of utter opposites!

Two lonely coworkers bond over late-night chats, discovering a queer connection that blurs the line between friendship and love.