Soroban-Bōzu (算盤坊主 abacus monk), or Soroban-Kozō (算盤小僧, abacus boy) is a human-like yōkai.
Soroban-Bōzu appears a little boy, with tan skin and brown hair. His only article of clothing is a leaf pelt that reaches his left shoulder, a pair of leaves on his head and carries around an abacus tied around his neck. During the sports festival he wore a yellow headband.
Soroban-Bōzu appears in Akuma-kun: The Great Prophet Nostradamus as a member of Shingo Yamada's Twelve Apostles, his position unknown.