MTL - Poison Doctor Demon Consort - Chapter 443 The sweat is drunk!

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

Collapsed without warning, and upon awakening, he found himself back in his childhood.He thought it was a blessing from above, but unexpectedly, tumultuous changes ensued, shrouded in mystery...

A young surgeon, who is struck by a system, embarks on a bizarre journey of life.

Reborn as a human, Xu Qing uses a bronze mirror to navigate the ups and downs of the mortal world, avoiding danger and seeking the path of immortality!