d-does anyone know any tentacle porn yaoi? need some for.. scientific purposes... ⁄(�...

Dunno if there's any here but in myreadingmanga
there's an entire tag dedicated to it. (づ￣ ³￣)づ
https://myreadingmanga.info/tag/tentacle/

thank you (๑•ㅂ•)و✧

http://www.mangago.zone/read-manga/null_null_gintama_dj/

http://www.mangago.zone/read-manga/uchuu_no_mozuku/

https://myreadingmanga.info/blackmonkey-pro-over-grip-english/