Fetish/Kink Yaoi

S&M
Tooru is a mind reader and a #1 host under the pseudonym of his favorite model, Mizuki. When he runs into Mizuki in person in a store, he's thrilled and helps him out, using this opportunity to get closer to Mizuki. But when his mind reading shows Mizuki is imagining tying him up and toying with him, he realizes he may have bitten off more than he could chew. Cute characters, good relationship progression.
Trigger warnings: S&M, public outing.

S&M
A secretly masochistic rock star becomes sex friends with a sadist bartender.
Trigger warning: choking, S&M.

S&M
Kishi is a slight sadist with a secret crush on Kurokawa, a regular at his coffee shop. Kurokawa is a hardcore gay masochist who is about to take things to the next step.

S&M
Kyosuke is a cafe owner whose face was scarred by his delinquent classmate in high school, and now that classmate is owning the brothel across the street and also pushing him to accept his masochistic tendencies.

Sex shop addiction, S&M
Azuma's shocked by a confession from his younger coworker, Shu (aka Robo-kun), but he can't help but be intrigued by Shu's personality gap which leads him to start a sexual relationship that Shu hopes will become more. Gratuitous sex scenes, including different types of play, but my favorite part of this one is coming to know and understand the main characters and their relationship, which ends up surprisingly wholesome.
Trigger warning: sex work, mi

S&M
Jun works at a bar and helps with their occasional S&M shows. After one of these, he gets called out by "Super-M" Fumitaka, a businessman who asks Jun to be his queen. Jun agrees, but Jun has an unhealthy relationship between himself and sex, and Fumitaka has his own sadistic side that he keeps hidden from Jun.
Trigger warning: choking, S&M.Trigger warnings: S&M, bondage, incest themes, dubcon.

S&M
A man picks up an office worker in the rain and has a great night that he hopes will turn into more, but it turns out the office worker was thoroughly trained by his recent ex who isn't ready to let him go yet.
Trigger warnings: abusive ex, noncon, grooming, BDSM, attempted rape, rape.

S&M (specifically getting hit)
Kashima is a delinquent who gets off on getting hit, Ryouji is his classmate who is obsessed with Kashima's face.

S&M (specifcally getting hit)
Tsubasa is a up and coming musician with a secret BDSM kink that he asks a fighting delinquent to fulfill for him.

S&M (violent)
Ch.5 - Itai no, Itai no - Rei spends every day at high school breaking up fights between his childhood friends, Takuma, and Shinobu, who are at each other's throats over everything but insist on spending time together because of Rei. But Rei knows that secretly, the two are in a physical relationship fueled by their shared masochism, and Rei wants in on this. Not my thing. Also, Ch.3 has crossdressing.
Trigger warnings: masochism, suicide, violence, violent sex.