K-1の創始者・石井館長が女子高生に転生してしまった件――!!!!!

脱税の罪で実刑判決を受けたK-1の創始者・石井館長。１年間の刑期を終え静岡刑務所を出所した石井館長だったが、その直後、トラックにはねられ即死。

そしてその魂はなんと女子高生・一ノ瀬ケイに乗り移ってしまう！

K-1創世記から20年――格闘界のフィクサー・石井和義が女子高生に憑依（！？）し、もう一度「空手」に向き合う青春浪漫ストーリー。

Kazuyoshi Ishii has had a bad day. The former director of K1, one of the world’s greatest karate tournaments, was imprisoned for two years for tax evasion. Just as he is released and he can return to karate, he is struck by a truck.

However, just before his death, a talking cat appears before him. The cat explains that while Ishii is dead, it can give him a new life – so long as he can complete a task for it. With no other choice, Ishii agrees. Succumbing to his injuries, Ishii falls to the ground, dead.

At that moment, high school girl Kei Ichinose wakes up from a three-day coma.