Doctor Goes Back to Joseon - Chapter 199 - Chapter 72

(Isekai, Fantasy, Non-transmigration, Unconventional, Ensemble cast, Meticulously crafted setting, Multiple identities, Light novel, Succubus)I have many masks, and each has its own story.I am the unremarkable little artist of the Church of Dawn; the strongest apprentice in the gladiator arena; the killing machine in the eyes of goblins... The holy nun beneath the sunlight is me, and so is the old gentleman on the train... I have hurried through underground tunnels in escape, and I have left behind beautiful legends on the frontier...Beneath the mask, there is an even more beautiful mask; within the lie, there often lies a hidden truth...My name is Ogre. A child raised by ogre since birth. It's a pleasure to meet you.

A Federation Colonel with abnormal thoughts was locked in a dark room and met a little looney.

“Your whole body emits a scent that I dread (covet) and fear (desire).”

A frigid Colonel X little looney roommate: A sweet story of interstellar travel

- Description from Novelupdates

After drowning in a swimming pool, Randy awakens in an oriental fantasy world, transmigrated as Hu Shengyi, the youngest son of a humble family. In his new life, Hu Shengyi possesses a weak and pale body, an ungraceful face and a small penis. He hoped that this transmigration would be an opportunity to start his life anew, the darkness of depression enveloped him, even with the unconditional love of his mother and older sisters. Unable to cultivate magical abilities or develop powers, Hu Shengyi decides to end his life.But just before he takes the final step, a mysterious message appears, like something out of a video game: “Welcome to the Onahole System.”[Additional Tags]Anal, BBW, Big Ass, Big Breasts, Blowjob, Chastity Belt, Dark Skin, Dickgirl on Male, Femdom, Full-packaged Futanari, Futaket, Futanari, Glasses, Group Handjob, Huge Breasts, NTR, Cuckold, Threesome, Foursome, Hardcore, Milf, Gilf, Young & Mature, BDSM, Dual Cultivation, Incest.