The Classroom lets you check at Nanako and open up the game flow from your phone let’s you do missions before the deadline and a new mode called the Defense Mode let’s you protect you fellow classmates from mini-demons before they knock the girls out. In Doki Doki mode while you’re in a bedroom in VR mode, let’s you decorate your room, check at a neighbor Chitsu, talk to Ritsu and sleep in a next day. The gameplay are the same from two previous Gal Gun games including the features from the Gal Gun VR lets you suck mini-demons to earn Demon Busting Points including sucking the girls clothes and the “Lovestrike” when the girls surround you, let’s you zoom in a girl when the heart icon fills up it will blast up a huge field around and the girls become struck with joy.
She tells you that you are the chosen "hero" to fight demons at the academy and you have 20 days to rid all of them before they start taking over. She later reveals herself as Risu, an elite angel working with Angel Ring Company (or AR Co.) in Heaven. She congratulates you on being a lucky winner from a sweepstakes you've never entered. The system boots up and an angel appears in front of you. When you open up the app, a box magically appears on your desk containing a pair of goggles and a "hair dryer". You try to delete it, but it refuses to be uninstalled. You check your phone to notice an unfamiliar app you don't remember installing. You are a regular student attending Sakurazaki Academy on a normal day.