Yaoi with tentacle play???

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

Chapter 2: http://www.mangago.me/read-manga/bakemono_bl/
Chapter 3: http://www.mangago.me/read-manga/poji/ (Really like that one ლ(´ڡ`ლ))
https://myreadingmanga.info/mentaiko-entwine-english/ Might not be to your liking, but its still good. I also recommend their other works.

https://myreadingmanga.info/end-azuma-chisato-reversible-shingeki-no-kyojin-dj-eng/

Thanks xx