Our protagonist, Majime Masato, is an extremely average and extremely lewd second year student at Ichisakura Academy. His reputation as a pervert precedes him. One day, he saves a black cat named Shami who gives him a magical “smartphone of love” as a gift. He levels up from being a lowly perverted student to being the most perverted student in the whole world! Ichisakura Academy ranks in the top three in the nation for average female bust size, so Majime has quite a selection to choose from! Apps include: A variant of Doraemon’s “Door to Anywhere”, it’s The Door to the Women’s Bath! Pet a girl with your cock to turn them on, it’s The Cock Cursor! A guaranteed, 100% chance of getting away with molesting someone, it’s Molest This! Want to be more than just friends with that cool childhood friend of yours? Use the app! Want to give the diligent president of the disciplinary committee a little sex ed? There’s an app for that! Majime wants to impregnate all the girls at Ichisakura Academy! What does his fate hold in store for him?

A school where having sex replaces a normal grading system. The one at the top of the sex list gets the grades.