Whats the lower limit of flatness
>>159119151
budding>flat>b cup>a cup>d cup>c cup
There isn't one
concave or bust
>>159119151
Concave.
>>159119151
When you are as flat as Sakurako is stupid, then we have a problem
>>159119151
Perflat is the limit. People who claim "concave" are just memeing, and don't really care about flat. You cant feel a concave chest pressed against you. You cant experience her heart beating next to yours, or her erect nipples poking you. there is really no point.