There are as many girlfriends as there are options - Parallel Worlds (Multiverse) x Tachibana Mary, Part 3. Mary was a woman who lived in a glamorous world, frequenting celebrity parties, modeling, hanging out at night pools, and drinking for money. But then, through her boyfriend at the time, she met the wealthy CEO Sagawa Ginji, and was forced to become his sugar daddy. One day, a year after she became Sagawa's mistress and was given a store, she met a young man named Takuto, who worked at a convenience store on her way home from the store. Fed up with the life of a mistress, Mary ended up having a relationship with Takuto...