Yui Mizuhara, a bookstore clerk who loves bands, lives her life by paying tribute to her favorite band member, Hibiki Watai. One day, when she thought she would never fall madly in love with her favorite band member, Hibiki shows up at her workplace and tells her the secret that he has never been in love before! Yui, who is confused because of the flirtatious image of a band member, is unable to tell Hibiki that she is a fan, but to her surprise, Hibiki asks her to go out with him...?!　 A secret love that begins with a lover's contract with a favorite!