In today’s Japan, "rental" services can deliver an afternoon with a "friend," a "parent," even a fake girlfriend! Kinoshita Kazuya is a 20-year-old failure of a college student. He managed to kiss his girlfriend once, but was dumped after a month. Completely spiteful, Kazuya gets just desperate enough to give it a try. But he quickly discovers how complicated it can be to "rent" an emotional connection… and his new "girlfriend," Mizuhara Chizuru, who’s trying to keep her side hustle secret, will panic when she finds out her real life and Kazuya’s are intertwined in surprising ways! A reckless rom-com filled with love and excitement is about to begin!
Jilted and heartbroken, 20-year-old Kinoshita Kazuya turns to Diamond, a Rent-A-Girlfriend app that leads him to a fateful encounter with Mizuhara Chizuru, one of the talents on offer.
Immediately after deciding not to rely on pretend dating anymore, Kazuya is hit with a triple whammy of reveals: Chizuru not only goes to his college but lives next door to him, and his grandmother is coming to visit and wants to see her.
Kazuya barely has time to deal with the fallout of the situation in the pub before the gang heads off on a short trip to Izu, where they run into someone unexpected.
Mami’s plan comes to a head as Kazuya decides to set the story straight, to mixed reactions.
The aftermath of the ferry incident signals a clear shift in Kazuya’s feelings. Meanwhile, there’s a conspiracy brewing at the hot springs inn he and his family decide to visit.
Having to spend a night in the same room with Chizuru sends Kazuya’s heart and mind racing. Meanwhile, Kuribayashi Shun has a surprise in store…
While Kazuya desperately tries to get Ruka to promise she won’t reveal his secret, she tells him her own.
Christmas rolls around with Kazuya not having met Chizuru for ages, and he sees something he never wanted to see.
Ruka is hellbent on knowing the full story behind Kazuya and Chizuru’s relationship, and once she does she decides to take action.