GTO: Great Teacher Onizuka - Vol. 8 Ch. 65 - Open Up Your Asshole!!

[MangaDex]

 

[YerRob]

Now i get what he meant when he said "Un-tighten your butthole"

 

[no0neknows]

kino

 

[nokosama]

I feel like this would tighten up your butthole more than anything lol