Xiao Yu, the three-time lightweight boxing champion in the underground boxing world, was chased by his enemies, triggering a mysterious countdown and accidentally switched bodies with Chinatsu Ito, a girl from Japan's Sakura High School who was bullied on campus.
Two people in desperate situations are forced to cross 4,000 kilometers every eight hours to exchange souls.
The boxing champion lives in the body of a weak JK and sweeps the school fighting list, but the girl is trapped on the run in the dangerous streets of a foreign country.
A ridiculous and dangerous transnational soul game begins.
