Manhwa/Webtoon That Got Me Hooked (((;ꏿ_ꏿ;)))

Na-kyum is a young painter with an exceptional talent: creating erotic images of men. Though he has published a few collections under a pseudonym, he has decided to quit painting. Then Seungho, a young nobleman for his insatiable lust, forces Na-kyum to become his private painter. However, the nights that await Na-kyum are beyond anything he could have imagined…

Yeo Eui Joon, who works at a convenience store frequented by gangsters, wants to quit as soon as possible because of the dangerous work environment. Then one day, Bum Geon Woo, who looks more like a gangster than any other gangsters show up. And as soon as he appears, the other gangsters simmer down...
Will Eui Joon be able to safely continue working at this convenience store?

A hidden mafia MC? Yes, please.

Kinda like KS but it's the seme that sooo into the uke. Really looking forward to the development. The art is beautiful and the title itself gives me the creep.

Soo-Young, a former boxer who retired due to a leg injury, was held up by Tae-Seung, a private moneylender, to pay off his father's debt which he didn't even know about. But Tae-Seung seems interested in Soo-Young's tenacious figure... Will Tae-Seung's offer be a new bridge for Soo-Young? Or another hell?

Reminds me of Roses and Champagne

He bought me for 50 sacks of rice. Soongap is nearly beaten to death by his master when friendly giant Bongchun buys him and saves his life. Bongchun's blind mother is delighted, believing her son has finally brought home a bride. And the more Bongchun treats Soongap like his darling bride, the more things get heated...

Lee Won, who works as a poor lawyer in Russia, visits City Councilor Zdanov, who is in conflict over Nikolai's commission, and there he meets the mafia boss, Caesar. Behind City Councilor Zdanov, there was a mafia involved. The meeting between the two is extraordinary.