Kodansha describes the manga as: 

In today’s Japan, “rental” services can deliver an afternoon with a “friend,” a “parent,” even a fake girlfriend! After a staggering betrayal by his girlfriend, hapless freshman 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,” 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! Family, school, and life all start to go wrong, too… It’s sweet but naïve boy meets cute but ruthless girl in this 21st-century manga rom-com!

Both of the previous seasons had Kazuomi Koga as director, Mitsutaka Hirota as series composer, Kanna Hirayama as character designer, Fumiko Ishiguro as color designer, Minoru Akiba as art director, Shintarou Sakai as photography director, and Kenichi Maeyamada/Hyadain as music composer. TMS Entertainment was in charge of the animation production, with Studio Comet credited with production assistance on Season 2.

Meanwhile, the main cast includes Shun Horie as Kazuya Kinoshita, Sora Amamiya as Chizuru, Aoi Yuuki as Mami, Nao Touyama as Ruka, and Rie Takahashi as Sumi.

The Rent-a-Girlfriend manga is serialized in Weekly Shonen Magazine and published under the Kodansha Comics label. The series has inspired a Sumi-centric spin-off titled Kanojo, Hitomishirimasu and a 2022 live-action drama.