Ren is a second-year high school student who transfers to Shujin High School in Tokyo, after a false assault charge issued by a high-profile politician when he defended a girl from being harrased resulting in him ending up with a one-year probation sentence, before release. He lives in a coffee shop called Café Leblanc, located in Yongen-Jaya and owned by Sojiro Sakura, an acquaintance of his parents during his probation. He's going to be your new classmates from now on.