Season 2 of Rent-a-Girlfriend will air next year in 2022. Currently, no specific release date or window is specified for the anime. According to the anime’s website, this announcement surfaced online through the “Event to Kanojo -EveKano-” event yesterday.
Adapted from Reiji Miyajima’s manga of the same name, Season 1 of Rent-a-Girlfriend aired last year between July and September. The romantic comedy aired for 12 episodes. An ONA for the anime also aired during that time frame called Rent-a-Girlfriend Chibi.
Besides that, here is how Crunchyroll describes the first season of Rent-a-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. “Ugh… Damn it. I never want to go through that again.” Completely spiteful, Kazuya uses a certain method to date a girl. He goes to their meeting place and suddenly hears, “You’re Kazuya-kun, right?” A beautiful girl brushing her long, black hair behind her ear was there, smiling at him. Her name was Mizuhara Chizuru. Something real is born after just a single rental! A reckless rom-com filled with love and excitement is about to begin!
While waiting for more news for Season 2 of Rent-a-Girlfriend, you can watch the first season on Crunchyroll.