MTL - The Vicious Female Supporting Role is So Tired [Quick Transmigration] - Chapter 56 Vicious Female Subordinate 15

The eldest son of the assassin aristocrat Tuatha Dé.

The skill, experience, knowledge of the previous life, magic, all of which grows his power as an assassin.

Excellent assassins pass through. He was usually admired as the ideal lord, and behind it wielded a blade as an assassin aristocrat.

After looking at a handsome man’s picture, he has transmigrated into another world. Rong Yi looked up at the sky, speechless. How unlucky could he be to have transmigrated into a loser + sissy’s body…

What’s worse, the original master of this body has been married to a man! And the worst thing is…

Rong Yi takes a deep breath and lowers his head to look at his chest! Flat! Check! Then he pulls open his pants and luckily see his ‘brother’ is still there, feeling much relieved…

He said to the little cute kid, “What did you say? Say it again.”

…

[You have become the first ever Player of Life in human history.]

-What did I just see? He can see the flu virus?

-The cell he made grew in the culture medium. This really looks like an embryonic stem cell… Is this true?

Leukemia, dementia, schizophrenia, lung cancer, and pancreatic cancer…

‘Can I overcome it all?’

[Of course.]

A confident message popped up.

Rosaline, the living cell that had become a part of his body.

With this cell, any research he did was nothing but successful!

His story of overcoming all diseases and illnesses begins here.

Disclaimer: Please do not take any medical advice from this novel or any other web novels.

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The hero who was killed by the demon king ended up reincarnated as the son of the one who killed him! Thus began the life of the hero who donned in the mask of the ideal demon prince to topple his own kingdom while doing his best to prevent anyone from discovering his identity―― But to do that and blend into the demon tribe society, he had to kill his former comrades. Nevertheless, to become stronger, to save humanity, he had to walk through all kinds of paths of carnage! This is the tale of the demon race’s fake prince destroying his own kingdom.

O Hero, Trample Those Who You Should Protect!

TN: Most part of the other character in the novel is depicted from a non-human perspective so expect something that is completely different from the common sense of human.