Uke squirts ping pong balls out of his ass in chapter 5. Definitely not the weirdest thing I've read
His classmates do a fuck circle in chapter 3
Guy shrinks and ends up fucking his friend's dick hole
Haru turns into this snowball bunny and ends up fucking rin's dick hole as well
He pees inside rin's ass while fucking him
Had sex with a chicken and an egg almost hatches
Man turns into a flower and fucks the mc
Mae yori mo Dare yori mo