There are as many girlfriends as there are options - Parallel worlds (multiverses) x Tachibana Mary descends once again. Mary, a "former Minato Ward female influencer model," meets a younger, poor college student, Kodai, who claims to be a fan of hers, and they start dating. Kodai doesn't work himself, and is like a kept man, so she lets him have fun thanks to her natural caring nature, but Kodai's spending is getting more and more reckless with each passing day. In fact, Kodai is making money by uploading sex videos of himself and Mary to the internet. Mary consults her ex-boyfriend, Yu, an IT businessman from Minato Ward, but...