MTL - Fairy Tail: The Nameless Grim Reaper - Chapter 84 Hypnos

Humanity has endured for millions of years, but recorded history only spans a mere four thousand years. During that unrecorded deep-sea age, what exactly were we doing?Countless indescribable beings ruled the universe, and our powerful ancestors preserved the fire of human civilization under their threat.Then they disappeared, and we rose.Now, they are coming back, mysterious psychic powers are awakening, the flame of human civilization is slowly extinguishing, and no kings are in sight...Chen Ke opens his eyes to see a world full of ruins and himself on the brink of death.The moment his heart was pierced by the Blasphemous Dagger, he became a dying man without a heart.Able to survive only 2 hours...

Su Wan is a Realm Destroyer. She shuttles to different time-spaces using the identity of the “Cannon Fodder Ex-Girlfriend”, dedicated to plotting how to happily tear apart the male protagonist and the female protagonist.

There’s no such thing as protagonists who can’t be torn apart, only Ex-Girlfriends who don’t work hard enough~

As a Beta, Ning An’s goal in life was to work hard, make money and get rich. However, his own dear father changed his aspiration and made him become a military academy student. Initially, he wanted to spend his days lazing about. What? The first place in the year gets a generous scholarship? Then staying up to study and train my body is nothing at all! The first place scholarship is definitely mine!

The A in the opposite dorm: So you’re actually an O.

Ning An: Ah?

The A in the opposite dorm: I know. You’re risking it all to prove that an O is not inferior to an A.

Ning An: You know my ass. Laozi is a B.

The A in the opposite dorm: You need to correctly recognise your own gender ah.

Ning An: …. Teacher. Report. I’m afraid this person is stupid.

note: Pretending to be a B’ is 装B (Zhuang B). 装B also means to boast or show off

- Description from Novelupdates

Synopsis is in the beginning first chapter, so you can try to read it first.Zhang Fei is an ordinary human, but he is also an Incubus, and he also a Heavenly Fox.