Dark Blood Age - Chapter 737 - Substitute becomes the main force

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

“Missus, time to fulfil your duties!” Mu Yuchen demanded as he pulled Xi Xiaye closer with his arms intimately wrapped around her waist.

It was a meticulously planned feast for the powerful. Her fiancé had knelt down on one knee and proposed to her sister instead. Robbed of her right to her inheritance, she was prepared for the Xi family to throw her to the wolves.
As she slipped away from her family that had turned their backs on her, she found him — Mu Yuchen, the low-profile and reserved noble that ruled City Z and led Glory World Corporation.

“Mu Yuchen, let’s get married!” He looked up at her, then suddenly stood up.

“Where are you going?”

“Let’s go. Any later and the civil affairs bureau will be closed.”

- Description from Novelupdates

A terrible calamity has fallen onto Zhang Fan, not only becoming one of the three survivors of Grass Temple Village, where everyone else was horribly massacred, he was also tasked to carry one of the most evil artifacts, the Sinister Bead, and taught one of the most secret teachings of the Skysong Sect, the Brahmin Wisdom. Now he cultivates in the Jadeon Sect, his knowledge and possession will draw him into a chaotic story where he will have to carry some of the greatest burdens of the Martial World.

When Chu Qin found his lover who had lost his memory, the fake fiancee his lover’s family had arranged for was with him.

Fake fiancée: I’m the person you love the most.

Zhong Yibin: ……Liar, the person I love is obviously Chu Qin.

Fake fiancée: Didn’t you lose your memory?

Zhong Yibin: F***! I still remember Chu Qin!

Chu Qin: “……”

Except for you, I forgot the entire world…..

Never forget Chu Qin.

- Description from Novelupdates