The Infamous Yaoi P-List 1 (WARNING: Hardcore kink ahead!)

Desperation, peeing during sex (uke), urolagnia
My Reading Manga website

Izaya is punishing Shizu for staying out too late. He overstimulates Shizu who then becomes desperate to pee. Izaya asks Shizu to "piss for him" while they're having sex and eventually Shizu loses control and pees on the bathroom floor.

Ch. 1 - Catheterization (medical), desperation, omorashi- forced naked wetting, urolagnia

Tsuzuki had both arms and legs broken so his brother attends to his personal needs... but not without a bit of mischievous torture. He presses on Tsukuki's stomach to force him to release pee in a urinal bottle, but becomes aroused by the act. Tsukuki also begins to become aroused when his brother helps him pee.

★ Special thanks to CONman for the recommendation

Ch. 6 - Desperation, omorashi- forced naked wetting

Keita is being "trained" as a model... and also as a sex-slave pet. When he leaves his room without permission, his master collars and chains him. When Keita complains the chain won't reach to the toilet, his master tells him to do it right there. He pulls Keita onto his lap and holds his penis as he pees on the floor.

★ Special thanks to CONman for the recommendation

Peeing during sex (uke), rosy palm technique

To demonstrate the effectiveness of a super-absorbent sex towel, managers from an adult sex goods company purposely try to cause their employees to pee during sex.

★ Special thanks to TooDeepInThisShit for the recommendation

Omorashi- partially clothed wetting, rosy palm technique

Haru keeps stimulating Rin after jerking him off to purpose cause him to squirt.

★ Special thanks to TooDeepInThisShit for the recommendation

Ch. 2 - Desperation, peeing during sex (seme- in uke's ass)

Uke loses control of bladder and pees in a urinal while having sex, saying he got cold and couldn't hold it in.

Ch 4 - Urethral insertion/stimulation

Perverted doctor inserts an acupuncture needle into patient's urethra which both hurts and arouses him.

Ch. 4 "To Be with You Forever"- Peeing during sex (uke)
BDSM, non-blood related incest

Uke loses control of his bladder after multiple orgasms and pees during sex on floor in shower room.

Ch. 3 - Desperation, peeing during sex (uke), urolagnia

Seme urges uke, who is desperate to pee, to do it while he holds him and spreads open his legs in the shower room. Seme has sex with uke while uke is peeing.

Ch. 4 - Catheterization, urethral stimulation
Non-consensual

Perverted author uses a catheter to inject an aphrodisiac into his victim's urethra and then attached a vibrator to it.

Desperation, peeing during sex (uke)

Uke is very drunk and feeling sick from drinking too much. He also has to pee. Seme tells him to let it out while they're having sex on the bed.

Peeing during sex (uke)
Shotacon
My Reading Manga website

After karate practice, two boys become horny and have sex. The uke cums, and then pees on the floor as the seme continues thrusting into him.