MTL - Great Voyage: Invincible From the Era of Rocks - Chapter 377

An old baseball player gets another chance to live the sport he loves, but this time as a system! The son of one of Japan's greatest pitchers has a dream to follow in his father's footsteps and become a great professional, but he has a major problem, lack of talent.Follow the journey of Shun Takahashi, a young baseball player without talent who receives the old baseball player system. Hellish training, legendary skills, impossible missions, good friends, talented rivals, and maybe luck in love. Shun and the system have a complicated relationship, but they both share the same goal, to be the greatest of all time!

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

- Description from novelupdates

“Did you know? I was once the most powerful person in the world, undefeatable even by the gods. If only I can retrieve my body, I could resurrect once again.”“So what?”“So... who has hidden my corpse!”

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