Overcome the "waves" of pleasure gushing forth from the dimensional crack! The four heroes of the vagina, Rod, Baitou, Denma, and Vagina, will save the world! Summoned to another world as the Hero of the Vagina, Marafumi sets out on a journey accompanied by the slave Rafterine. Marafumi is ambushed and knocked unconscious in a fight with Rod Hero Zuriyasu. Rafterine is forcefully raped. "I want power..." Marafumi releases the curse and gradually arches up!