Regressor Instruction Manual - Vol. 2 Ch. 67

[MangaDex]

 

[tomonoshi]

OOOOI your harem is too strong, kiyoung!! Also what happened with 1st kiyoung? He looked mad exhausted, and his eyes werent shiny

 

[EldritchNeko]

For a second I thought she was going to pull out an actual leash. Seems like something Hayan might do though.