A high school senior gets transported to an alternate reality where he has to save the world using his semen. Female guardians of this realm need nourishment to vanquish the evil that lurks beneath. And there's only one man who can provide them with what they need.
After the disappearance of her sister and finding out she had joined a suspicious enlightenment group seminar, Riko enlisted herself into the course to find her but the only way to reach the same course as her was to rank up and the only way to do so was to help others release... that being […]
The protagonist is in his thirties and is a teacher at a girl's school. He only wishes to train his students well and help them graduate. That is, until a student of his starts showing signs of interest in something other than her studies.