The story of three snakes traveling through the hunter world.
Schizophrenia patient 0657 failed to escape from prison and time-traveled into the body of 7-year-old Hisoka, determined to become a good person. However, the cruel reality told him that some people always misunderstood him as a pervert...
And 0880 and 0013, who escaped from prison at the same time as 0657, also traveled to Ilmi and Chrollo respectively...
0657 Said that it is really difficult to be friends with Shejingbing...