Akuyaku Reijou ni Nanka Narimasen. Watashi wa『Futsuu』no Koushaku Reijou desu! - Chapter 31: Dragon spirit and Invitation.

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

The Death Knight, who mu*dered his family and brought calamity upon humanity, is given the chance to go back in time and correct his mistakes.Damien Haksen possessed talent that would have gone down in history. However, an Archlich, the pinnacle of Dark Magic, turned him into a Death Knight and made him live as a s*ave.Under the Archlich’s command, he ultimately mu*dered his own family and destroyed an entire Kingdom.He regained his senses at the very last moment, but it was already too late. Just as he was about to give up everything, a miracle occurred.Regression.Returning to where he was before it all began, his goal was clear.“This time, I’ll live solely for the happiness and future of my family. Of course…”After condemning every last one of those filthy Dark Mages and giving them a taste of hell!

“Could you become my daughter?”

To reward Meng Fan for his bravery before his heroic death, the cosmos rewarded him with a ‘system’, sending him back in time to three months ago, alive.

- Description from Novelupdates