The curtain rises on the most pathetic and vulgar legend of a Hero whose holy light dwells... in his crotch!! Ex, a bottom-tier Hero, was mocked by everyone because his holy light failed to manifest. But as it turns out, there was a reason for that—his holy light had actually manifested in his 'crotch.' How on earth is he supposed to defeat anyone with that?! Even when the city is under attack, all he can do is stand there with a glowing crotch! While struggling with such a pathetic dilemma, a mysterious shrine suddenly appears before him and... The ultimate, hilarious, and erotic adventure story begins now!!