Bloodhound's Regression Instinct - Chapter 28

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

“I, an Immortal Cultivator in this world of superheroes, alone understand the Dao.”Elius Northrim had a peaceful life—until he blacked out and awakened with tragic memories of his past life.Along with those memories was a realization that in his eighteen years, he was living in a brutal superhero universe, and his ruthless alien father—whom he had never met and a SUPERMAN equivalent of this world—was coming for his life because one of his brothers, the main character of the comic awakened his Solarion bloodline.Surviving while being mistaken for an awakened Solarion offspring of his father too, Elius must keep the truth hidden—he’s not one of them, but an immortal cultivator.If his father discovers the deception, both he and his mother will die.But the worst part is that he has become his father's favorite among the two. To avoid being constantly under his father's watch, Elius enrolls in a superhero academy, blending in while secretly growing stronger.However, with rival students, watchful instructors, and his father’s looming presence, one mistake could mean death.Now, he must master his powers, play his role, and survive—before his secret is exposed as a lone immortal cultivator in this world of Superheroes.

Xiao Chen, “the waste” of Xiao clan, had his engagement to the Young Lady of the Yang clan renounced.

And when he arrived at the sect that sympathized with him and took him in, he found corpses strewn all over the place and a mist of blood in the air. The sect was exterminated by a mysterious group that was looking for the ‘Wind Spirit Jade’.

He himself was left behind only half-dead for ‘wastes do not deserve to die by their hand’. Humiliated once more and on the verge of death, in the surroundings strangeness happened. A whirlpool sucked up the blood mist and diverted it into Xiao Chen’s forehead, transforming and enhancing his body.

- Description from Novelupdates

“I hope you don’t fall in love with me, because I won’t be taking responsibility,” warned the young man. “Don’t worry, I won’t fall in love with a body double,” the employer dully replied. Yet, both of them forgot what they had said.