I, the Younger Brother of Superman, Obtained the Thanos Template - Chapter 54 – Are you serious?

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.

The Invincible Immortal Emperor reincarnates, taking over the body of a student at the Huaxia Medical College. He displays extraordinary skills both in combat and medicine.In his previous life, he was the undefeated War Emperor and the supreme master of medicine. Yet, he found himself ensnared in the mundane affairs of the world, confronted by endless temptations.Would he lose himself to these temptations or remain steadfast in his principles? Would he succumb to despair and decadence, sinking into oblivion, or would he rise with strength and resilience, reversing the course of destiny?As he sets forth on his path to reclaim his status as the Immortal Emperor, he vows to make the ghosts and gods of the myriad realms tremble in fear!

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Xin Yun, a sarcastic young man, traveled to an unknown world by chance, but lost his chance to become the strongest because of his obsession with women... or sex. In a collision of the powers of nine powerful men, an incredible thing happened. Xin Yun was reborn back to the time when he traveled to the Isekai world. A fantasy journey is about to begin... [The comic adapted from this novel is popular all over the world]