My Entire Clan Was Slaughtered, and You Want to Lecture Me About Honor?

(The protagonist is ruthless and decisive in killing! The beginning is a little bleak, but it gets more and more satisfying later. He's invincible!)

Mo Yuan transmigrates to a parallel world, and from the start, he kneels three times. Whoever he kneels to dies.

Mo Yuan takes over the body of a young man named Kong Shengge.

First, he acknowledges a sworn father, who dies for him!

Then he runs into a powerful innate enemy bent on killing him, so he promptly drops to his knees and calls him Dad.

“Father! I’m your son, lost to you for years! Do you remember Xia Yuhe by the banks of Yunmeng Lake?”

“What? You’re my son!”

But as soon as he finishes speaking, Kong Shengge kills him.

At the School of Medicine, medical grandmaster Gong He gazes at Kong Shengge with burning eyes.

“A genius, an unparalleled genius! Young man, hurry up and kneel down to take me as your master!”

Kong Shengge: “I’d rather not...”