Uh

Eye-

Bj ale-

Uh-

all i know is bj alex but-

not sure if you’ve seen this list yet but (๑•ㅂ•)و✧
http://www.mangago.zone/home/mangalist/43075/

The fact that there’s a link for any kink on here I love to see it

I only have two piss fetish mangas
The hetro piss fetish manga
- really funny
- that's it, it's really funny lol
The awful shota bl piss dj
- no
Lmao the first one is the only one I can recommend to you. Lmk and I'll give you the link.

Here you go bro,

http://www.mangago.zone/tag/Watersports/

There's also a tag oml

How about "boys love"( yes that's the actual name) and "afurete koborete gaman dekinai" these two are basically based on the omorashi kink. There are a few yaoi manga with omorashi as there main plot which are not yet translated and probably aren't available in mangago. Like https://yaoimangaonline.com/tag/urination/ this one and https://myreadingmanga.info/tantan-tannu-senpai-nanoni-omorashi-shitansuka-eng/ this one.
And then there is a list of it as well
https://www.google.com/url?sa=t&source=web&rct=j&url= http://www.mangago.zone/home/mangalist/43075/&ved=2ahUKEwjNjv2So-btAhV_4nMBHUBcCakQFjAAegQIBBAC&usg=AOvVaw0rUyNzePmTGpMZ7LHYoPWe
I am the biggest omorashi