Beyond the Timescape - Chapter 968: The Flame of Love (part 2)

An 18-year-old poor college student tried to apply for a job as a tutor but his life almost ended as demons' meal. In his last breath, a mysterious woman gave him a strange power. When he opened his eyes he had turned into a demon with a system that would turn him into… A pervert.

Now he must lived with his dual identity as a model student named Ethan and an incubus named Damian.

This is a vast and powerful wizarding world community, where powerful wizards wantonly capture gods, conquer planes, and reshape civilizations.Upon entering this world, Lynn realized that knowledge is power, and power is truth. On the path of seeking truth, he will always remains a humble apprentice.

The whole world is subjected to a highly dangerous standardised exam called the Global University Entrance Examination. Answering questions by putting their lives at stake, they would live if they passed the test. Every month the exam will undergo reformation while, occasionally, it is random.

- Description from Novelupdates

It was only after Su Yayan's death that she realized that she was a malicious cannon fodder female character who became a scapegoat in a Mary Sue story.