MTL - Engraved in Bone - Chapter 76 Master and Apprentice 008

Join Lu Yin on an epic journey across the Universe, pursuing the truth and tragedy of his past. This is a world of science fantasy where the older generations step back and allow the young to take charge of affairs. Heart-wrenching separations, terrifying situations, all with comic relief that will leave you coming back for more. This is a world where the other characters actually matter, and are revisited frequently as their own lives unfold. Dotting Lu Yin’s path are monumental feats of kingdom-building and treacherous political situations where he must tread carefully if he wants to get to the truth of his history.

Crossing to One Piece world, he became Roger’s younger brother.

This was a fragmented and disorganized world, this was a place that had been forgotten.

That day, was the most frustrating time for Ning Cheng, when on that day, he was abruptly brought here.

Because this world had Ning Cheng, who would imprint his name in the vast heavens, it would finally shine in the endless universe!

- Description from Novelupdates

Leon transmigrated and became a lab rat for Hydra. But he ended up awakening the sign-in system.[Ding, sign-in reward: Glint-Glint Fruit(Pika Pika no Mi).]He starts by destroying the Hydra Base.He accumulated some time and got himself another reward![Ding! Get the sign-in reward: Sun Breathing Technique.]