The author is Karuhou Sina, and the art and cover have also been handled by Karuhou Sina.

Despite considering herself "unlovable," and although she feels deeply satisfied with her friend Sawako's company, Kurumi decides to go out and try relationships. When a persistent suitor bothers her after a party, a charming stranger comes to her rescue. He looks suspiciously similar to Sawako... or not so suspicious, given that he is actually Sawako's cousin! As Kurumi begins to feel attracted to him, could it be love?