From Leaping into Puddles: Clumsily, he panicked and hid the flower bouquet behind his back... This is what happens one day when ordinary girl Kogure Nao is summoned by the scary-looking Onigase-kun. However, she is shocked when he says to her: “Please date me before you marry me!“ Nao is too shocked and terrified to say no... what will come of their relationship?