All-rounder Artist - Chapter 115 - 112: Sincerity is Priceless 1

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

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

What does it feel like to be a cannon fodder in your novel?

After ruining countless of his novels with sh*t endings,

Gu Yan who finally received his retribution understood.

Heaven spared no one.

In order to protect his small life, Gu Yan has been sent to diligently clean up his own mess.

However, never did he expect that his ‘clean up’ would be too thorough.

Seeing that the man who was suppose to have killed him kneel down on one knee and take out a ring while saying to him, “Marry me.”

Gu Yan: “…”

- Description from Novelupdates