This story is related to the "adventure's book" series. After bringing down the demon lord, the hero Wil goes to defeat succubi on a national mission. The succubi are weak, but they take advantage of his goodwill and he ends up being squeezed and deprived of power in a way of energy absorption. When a villager boy peeping the scene is assaulted by a succubus, the hero cannot take action and the succubus starts voring the boy with her tale. It's too late when he senses danger...... Totally femdom, no reversal. Some words are changed according other "adventure's book" series works.