Oi! You need to arch your waist more!! Otherwise it won't get better!!

I wonder if it's really like that...

If you don't develop a good posture habit, it won't improve easily, right? Shall I help you?

Eh? Umm~ Well, I do want to improve... but help me with what...?

OH❤︎

You're really hunched over like a cat, huh~

Oooo!❤︎

HOOOo❤︎

CU-CUM CUMMING~❤︎❤︎

NHOOO❤︎