Mochizuki Tomoya is the newly-hired member of Flower, an H-game company that’s about to go bankrupt. In an attempt to step up their game, he teaches the all-female team of virgins everything he knows about sex. Because of this, artist Kisara-san and scenario writer Momoka-chan have both developed feelings for him. And as far as they’re concerned, there’s only one way to make him commit: a sex competition!