MTL - The Ancestor of Body Repair - Chapter 1426 study (below)

After dying as a college student, Kain wakes up in a magical world where people form bonds with spiritual creatures to fight alongside them. Determined to rise to the top, he relies on a System and loyal companions.Everything seems to align with his ambitions—except the spiritual creatures he can contract seem to be remarkably…strange

“O, Hero!” With that cliched line, Kazuya Souma found himself summoned to another world and his adventure–-did not begin. After he presents his plan to strengthen the country economically and militarily, the king cedes the throne to him and Souma finds himself saddled with ruling the nation! What’s more, he’s betrothed to the king’s daughter now…?! In order to get the country back on its feet, Souma calls the wise, the talented, and the gifted to his side. Five people gather before the newly crowned Souma. Just what are the many talents and abilities they possess…?! What path will his outlook as a realist take Souma and the people of his country down? A revolutionary transferred-to-another-world administrative fantasy series starts here!

Satou Shiki a Japan present-day university student suddenly one day he got attacked by a slasher when he open his eyes he was already transferred to another world’s labyrinth city. In that another world he who was awakened to do a lot of “things”.

In the Dragon Abyss Empire, nestled within Clear Water Town, young Jiaang Lin awakens from a brutal beating by his cousin Jiaang Ren, only to discover he has been reborn into his younger self. Once a mocked disciple with blocked meridians, Jiaang Lin had risen to greatness in his past life as a prodigious warrior and Pill Saint. Now, with a second chance, he vows to protect his loved ones and conquer his enemies. How will Jiaang Lin change his destiny and ascend to the pinnacle of martial prowess once more?