Character
Billy
Biography
Show bio — may contain spoilers
Billy is a servant of the Kizaki household. He often trains Rio when her father isn't around, despite her father voicing his objection to it. (Source: ratman wikia)
Appears in
Billy is a servant of the Kizaki household. He often trains Rio when her father isn't around, despite her father voicing his objection to it. (Source: ratman wikia)