Watch Online Free on Watchseries. After completing his time in a juvenile detention center, Daiki Imanishi returns to his hometown in Ibaraki. Upon hearing that his former cellmate, Ken Kohinata, is in danger, Daiki, along with two companions he met in the detention center—Kaito Sakaguchi and Ryuichi Maki—causes trouble at every turn as they head to Tokyo in a stolen car to save Ken.