Zakuro Shoukougun

Pomegrabate Syndrome affects all female geniuses, causing them to become incredibly aroused at random. When it manifests, the girl loses all her restraints and, depending on the girl, may also infect surrounding people with the arousal. There is no cure, but the fits can be stopped through sex. That's where Suou, the protagonist, comes in to keep the various beauties around him in check...