MTL - Heavens: Be a New Man - Chapter 144 I'm・a・teacher！

A poor orphan, who lost both parents, stumbles upon a mysterious space and embarks on the path of cultivating immortality. From then on, he cultivates spiritual herbs, refines immortal pills, opens a shop, practices military formations, and establishes an immortal kingdom…This story is about cultivating immortality and farming, with a focus on ordinary people, not horses.

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

The worst student of Westroad Academy. The disgrace of the Blake House. A new soul enters the body of Frey Blake, who couldn’t overcome his miserable life and chose death instead. “What’s with this body? I’ll have to work on tuning it from scratch.” The Great Mage Lucas Traumen, with the body of Frey Blake, gains a chance at revenge!

“Breaking News! A 28-year-old IT worker beats three university kids to death with a spiked bat over a dog!”***Following the revenge, John took his own life in stubborn resistance, but that wasn't the end. He and his dog, Alfred, found new life after making a deal with an Eldritch God, Chuthulos.The duo reincarnates in another cosmos where Humans live an intricately connected life with Monsters as Tamers.However, in this perilous journey where his exposure to higher powers can lead to not only his death, but of the entire Eldritch Cosmos, John is not without help, for he receives the Rune of New Beginning, a power shaped into a system made from Eldritch Ancestor, to aid him.“So I can inspect all Monsters, eh? Awesome.”“Evolution Pathways? Cool!”“A private world where I can create biomes and habitats for monsters? A Monster Paradise?! Holy Land!”“Hey, what new function are you going to add in the next level up of the Rune, Chuthulos?”With all stacks on himself, John is determined to make the most of his new life with Alfred and his Pet Monster companions and keep his end of the bargain.