On the night before ‘Black Friday,’ which is the one of the busiest commerce days, a cardboard box, that is delivered from the world’s largest shopping site, explodes. Soon after,…

Raku Ichijo (Kento Nakajima) is an only son and a high school student. His father is the leader of yakuza group Shuei-gumi. Raku Ichijo doesn’t like to fight and he…