The sisters, Miko and Miyu, had come to visit the grave of their grandmother, Momo. Although Miko had enjoyed a long spell of peace and hadn't needed to employ her erotic arts, she vowed at the graveside to pursue further training. Miyu shared the news of her engagement to Michael, who is of mixed heritage. Just then, a suspicious shadow approached, a ninja. Miko prepared to fight back. A battle of erotic magic ensued against a group targeting the "Inro" (Erotic Casket), but even Michael, her own fiancé, was caught up in the fray... The classic flagship title of the original "Inju" (Erotic Beast) series makes its long-awaited comeback for the new era! This is the first installment!
