>>90732548Definitely Miyabi. Minimal exercise and eats a lot, these two habits combined quarantees a fat bottom that's optimal for spanking. Oga has his 20+ kilometre walks and cycling, his ass is probably on more muscular side, and Roberu, while he admittedly makes great noises when spanking himself on new years it would not have the same satisfying feel to it because he enjoys it way too much.