In college, Junpei Shishido, a sociable student, crosses paths with the reserved Leo Onizuka, who denies knowing him. Despite Onizuka's reluctance, Junpei discovers a hidden connection and chooses to befriend him in secrecy. This unexpected bond between the outgoing Junpei and the introverted Onizuka leads to a transformation in Onizuka's social demeanor, allowing him to blossom while embracing his authenticity.