The first person I fell in love with was my best friend's boyfriend - Rena, her best friend Rio, her boyfriend Hajime, and her boyfriend Daichi - the four of them were a close group of friends in college. During a camping trip of two days and one night, the four of them learn that "Rio actually likes Taichi." Rena's feelings, which were worried about Hajime, were shaken ... - She has a relationship with Rio's boyfriend, Hajime... The master of youth dramas, Jo Asagiri × Rena Miyauchi