Spies, assassins and yakuza (BL)

After attending the university's semester kick-off party, Sun-woo goes outside to get some fresh air. While outside, he drinks a beverage handed to him by Choi Yi-hyun, a popular figure, and passes out. When Seon-woo wakes up, Yi-hyun confines him to his house and makes him live there. Despite being captive in an unbelievably cosy and friendly environment, memories of Sun-woo's childhood come flooding back to him...
Seme: black hair / Uke: brown hair

Jo Jiwon a student who scams people by pretending to be a shaman due to which he gains a reputation as a spiritual powerhouse. Jeong Taeoh, a superstitious mob boss who actually believes in supernatural stuff shows up demanding help, Jiwon pretends to take the job—then tries to run. He gets caught & wakes up in a sketchy motel, with staring in the face. To save himself, Jiwon says that he will be his talisman & to keep him alive, they need to sleep together!
Seme: silver hair / Uke: pretty MC

Ji Chi, the young master of a gang, was betrayed and murdered by his fiancé. He was then transmigrated 30 years in the past into the body of a 19-year-old. Here, the Alpha was saved by a kindhearted and gentle Beta during a time of desperation. However, the person who he thought was an angelic savior, had the exact same face as the murderer who killed him in his previous life...
Seme: black hair / Uke: blondie

Prosecutor Baek had climbed the ranks by manipulating evidence & testimonies, often associating with thugs..In order to climb higher he decides to get married with a woman from a reputable family & cut ties with the persistent thug who had been troubling him, Baek accepted the arrangement. However, the thug, who had secretly supported Baek for a long time, felt betrayed and angry when he heard his marriage news.
Seme: gang boss / Uke: prosecutor

Yihyeon's daily life remained unchanged that day. Until Goo Seung-hyuk, with whom he had broken up nine years ago, showed up.
"We used to run a hole-in-the-wall business here?
I didn't know you'd be selling a guy's asshole for money."
Seung-hyuk, the owner of Nexus, the club where Yihyeon worked,
spits out harsh words upon meeting him, staring at him with eyes filled with disgust.
Seme: tall guy / Uke: pretty guy

Living in the slums of Satellite City B, Ban runs a small errand service, taking on jobs others would rather avoid. One day, he accepts a request from Shinwi, the boss of a rising criminal organization, and stumbles upon the existence of the mysterious “Project W.” While investigating the substance, Ban hopes to help Ray, the police officer who took him in. But the deeper Ban digs, the more he uncovers a hidden truth Ray has long been keeping hidden.
Seme: white hair-Ray guy / Uke: MC cutie

Idk something about yakuza and sex, and the obvious trauma + r*pe thing
Seme: black hair / Uke: white hair
Smut one-shot1: https://www.mangago.me/read-manga/charmed_straight_to_hell/
Smut one-shot2: https://www.mangago.me/read-manga/charmed_straight_to_hell_2/
Smut one-shot3: https://www.mangago.me/read-manga/charmed_straight_to_hell_3_love_hotel_punishment/

One day, Lee Ja-kyung, a hitman who stayed in Thailand, received a $5 million request.
The person to deal with was Kang Il-hyeon, a gangster living in Korea.
There was only one condition.
However, Kang Il-hyun was never an easy opponent. Rather, his trap gradually tightens around his neck, and he found himself cornered…
Would Ja-kyung be able to kill him and return safely?
Seme: black hair / Uke: brown hair

Higashi, a candidate for the young leader of a gang entrenched in a violent world, meets Haruki, a blind young man, during a visit to a flower shop on his way to the previous leader’s grave. What begins as a mere curiosity evolves into a deep and comforting connection. As their time together increases, Higashi’s feelings shift from intrigue to intense desire for Haruki. This leads to a complex entanglement of obsession and passion.
Seme: black hair / Uke: light hair

Do Hyun-woo, a hunting dog, is assigned to uncover the secrets of the Black Cloud Society, a criminal organization disrupting the city's order. While his infiltration was successful, a mysterious figure known as "Team Leader Ha" begins to obstruct Hyun-woo's every move. "Well, I'm a beta, after all!?" "Strange. But why does this smell so appealing?" Team Leader Ha's intrusion into his personal space causes a setback in the infiltration operation...
Seme: tattoo guy / Uke: cutie policeman