Underground idol Rin Kira's live shows are always attended by only one person. - Otaku-kun, the only fan of the group, always enthusiastically supported Rin Kira. - One day, at the end of their usual live show, Kira Rin invites them to a secret offline meeting just the two of them! - ! - What did Otaku-kun ask of Rin Kira, who is like an angel and tries to make any wish come true for the fans who only support her?