MTL - Apocalypse Summoner - Chapter 1646 The last postscript (reunion)

He is an undead who is devoid of all humanity, he is the one and only supreme overlord, he is a man who has severe mysophobia.

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

— Doing good deeds brings blessings.— If actions meet societal standards, user ‘Jeong Da-on’ will have their restrictions reduced.Blessings for doing good deeds? Even if I was the Demon Lord in my previous life?It’s been 19 years since I ended my tumultuous life as the Demon Lord and reincarnated on modern Earth.I was caught by the system and forcibly turned into a Hunter. And now I have to do good deeds to regain my original abilities?“Hmm… Beating bad guys to death counts as a good deed, right?”That doesn’t sound too bad.Modern society is the perfect place for a demon to thrive, after all.

In a peaceful, utopian Earth, a young man is born cursed by the will of the heavens. One day, he awakens… and uncovers the hidden world of the High Humans—the most powerful beings on the planet. His superpower? A rare support ability with healing powers… or is it? From that moment on, a healer who devours lives to grow stronger, just like the worst demons, is born. *** This is a story about superpowers in a distant future, where Earth hides unimaginable secrets. It’s also a journey across universes, filled with battles and discoveries. The protagonist isn’t a genius or a trained warrior. He’s just an ordinary man who faced dark times and watched his life be consumed by the abyss. But now, he has a chance to change everything. Step by step, he will learn why to fight—and how to survive.