After breaking into Anzu Shinohara's apartment and smashing his already broken keyboard, Hina Sakata quickly finds herself in his debt. As she works to pay him back, Hina finds out that Anzu is a vocalist and becomes entranced, wanting to explore more of his unkown world. Will this unlikely couple last longer their 15 seconds of fame? Find out in World's End and Apricot Jam volume one.