Kiyotaka Sato, portrayed by Shuhei Nomura, is a college student who is friendly but seems indifferent to those around him. During his summer break, he decides to obtain a driver’s license to impress his classmate, Matsuda, played by Yukino Kishii. Meanwhile, a yakuza leader, played by Ken Mitsuishi, instructs Todoroki, portrayed by Kento Kaku, to also acquire a driver’s license. Todoroki is known for keeping his emotions hidden. However, he ends up driving without a license and accidentally hits Kiyotaka Sato. To conceal the incident, Kiyotaka is placed in a car and taken away, eventually ending up at an unlicensed driving school run by the Uehara family. There, Kiyotaka and Todoroki discover they attended the same high school and spend their summer at the driving school.