It's a combination of Hina-chan and pussy in which is said in 393235 on page 14 by Hina-chan's Onii-chan.
Onii-chan: Can I cum inside? Is that what your Hinussy wants?
Hina-chan: No it's NHAAT! And don't call it a "Hinussy"!
Hina-chan: No it's NHAAT! And don't call it a "Hinussy"!
by I_Need_Me_Some_Hinussy June 07, 2022
by I_Need_Me_Some_Hinussy June 07, 2022
Onii-chan: Using you as my Hinoilet got me hard again.... Wanna go for another round?
Hina-chan: Yeah!
Hina-chan: Yeah!
by I_Need_Me_Some_Hinussy June 07, 2022