The first person I loved was the boyfriend of my best friend - Rena, my best friend Rio, her boyfriend Hajime, and my male friend Daichi. During a two-day, one-night camping trip with the four of them, he realized that 'actually, Rio likes Daichi.' Rena, who is always worried about Hajime, found her emotions shaken... in the end, she ended up in a relationship with Rio's boyfriend, Hajime... The first tagged group comprises young drama masters Kiyoshi Asagiri and Rena Miyauchi! A truly pure romantic film depicting the heartbreaking love between a man and a woman.