The Wrong Way to Use Healing Magic - Chapter 51Vol 17.

Stricken with a dull, boring life, Gael has already discarded his ambitions as a high school dropout. However, a chance encounter with death leaves him a choice:[“Meet your end accomplishing nothing, or continue on in an unforgiving world and learn what it is to live.”]Wishing not to die, he accepts the offer, being granted a new life in a fantastical, mysterious world of Gaia. In this new world, he is not granted an easy life, instead hunted as those like him, transported from Earth–”Outlanders”--are deemed to be executed on sight.He is not helpless, though, granted a unique gift upon being reborn in this world–[Integrating system into body.][...10%...][....45%...][....87%...][Integration complete.][Gacha System initiated.] [Level: 1]

Six months ago, tens of thousands of black phantom towers appeared all over the world, floating above the cities. Chemists, physicists, religious people… all of them could do nothing.

An Xu opened his eyes and found that he was in a world with both ABO and supernatural abilities.
She pinched her face hard, but it didn’t hurt at all.
So this female alpha and lightning power user happily thought,
It’s rare to have such an interesting dream, and I’m blunt. (=￣ω￣=)
A painless aristocratic girl who traveled to the world of ABO+ supernatural powers,
The mentally retarded otaku who thinks he is dreaming, lives as he pleases in another world,
I mistakenly hit the promotion and salary to be a unparalleled king.

Female A male O, simple and rude middle school girl (female lead/alpha) X feeds a tiger brain to make up a knight (male lead/omega), cool writing, puppy blood when falling in love.

An Xu: Hey, am I not a teacher of justice?
Chris: ……………
Everyone: (No, no, I don’t think it looks like the villain’s side is better!!)

hint:
1. ABO world view, female A male O (say important things twice);
2. The heroine thought she was dreaming, and for a long time has been the crazy devil king in the eyes of everyone, and she is absolutely not pure and flawless in terms of morality
3. The hero Chris is a growth-type holy father, gradually evolving
The above points should be cautious, if you can’t accept the setting, please let it go

Content tags: strong female power soul conversion knight and sword
Search keywords: Protagonist: An Xu (Anna Sullivan), Chris Field ┃ Supporting roles: Nancy, Esther, etc. ┃ Others: female A male O, female attack, cool text, invisible pretense, brain Complementary heroes, ABOs, abilities

- Description from novelbuddy

An ultimate warrior, the one and only Alchemy Emperor, Ling Han, died in his quest to achieve godhood. Ten thousands years later, he, with the ‘Invincible Heaven Scroll’, was reborn in the body of a young man with the same name. From then on, winds and clouds moved as he set himself against the uncountable geniuses of this new era. His path of becoming a legend has begun once more. Of all eras underneath the heavens, I am the strongest!

- Description from Novelupdates