MTL - Ninja School Teacher, I Can Become Stronger By Teaching - Chapter 67 The battle of focus (seeking for further reading)

From brewing whiskey out of car tires to brewing immortal potions just because they are tasty.Regressed from a world where the only issue technology failed to solve was boredom, Theo, an adept nanomancer and master brewer, finds himself in the literal shoes of magic academy's trash teacher.Cultivation? Magic? Martial arts? Craftsmanship?No.Now is the time for this world's first Nanomancer to rise and establish alchemy as the fifth great subject for others to follow!

An ordinary person who has passed through the Marvel World to gain the phagocyte ability and began to devour superpowers, and became the king of Marvel!

There are many female lords. The protagonist has gradually become the king of the Marvel world from ordinary people. The initial ability is the physique that changes through traversing. It can devour and stabilises without any side effects. The system is only an aid, you can also cross the plane!

- Description from Novelupdates

He kept her by his side, never letting go! “Please, can you let me go?” “Impossible,” he said, “unless you're no longer my only one.” After they fell in love, he declared possessively, “I want to keep you by my side, to make you belong only to me. You can only love me too, your mind, your world, must be filled with only me.” Yet his domineering love sent a chill through her.

In the depths of a newborn universe, a cultivator takes advantage of the abundant energy to refine himself a treasure. But after 14 billion years of refining and quite a few more to go, he decides to entertain himself by releasing countless systems and watching how the creatures of this fledgling universe handle them.

On Earth, a young man, lost and confused about what to do with his life, sits in a park and looks up at the night sky. A shooting star, a wish and a bang. When the boy finally wakes up he hears a sound, "assimilation complete. Launching System. Welcome to the Midnight Inn. Host Designation: The Innkeeper."