Kamui is a Ninja on the run from the world of Ninja bound by rules in search of true freedom. However, he is burdened with the fate, where it is not allowed to take the secret of their powers outside of the tribe -- if you are born as Ninja, you must...
There once was a hospital where patients and even doctors and nurses were all strange. Above all, Onuki, a patient who built up his own company, is a super cranky old man. One day, he meets up a girl named called Paco, who cannot retain memory beyond...