It's fine to take shit slow, but at this point you might as well not be his girlfriend but a girl of his harem. Wanna be a girlfriend? Then start acting like one at start sucking that dick and fucking our Boi I mean you are in a relationship right? If he loses his virginity to the other girls it would be the most hilarious thing ever ?
Public morals committee member incoming? Or just someone on the student council, maybe. Whatever the armband said, looks like she might be just in time to protect the school from the horrors of interpersonal relationships between males and females.