MTL - My Hero Academia: My Personality is the World - Chapter 101

While on a school field trip in the Czech Republic, Kang Hyuk happens to stumble into a shop called “Archmage.” To his disbelief, the shop is actually owned by an archmage… from another world! Forced to become the Archmage’s disciple, Kang Hyuk is punted into the Kallian Continent, where might and magic overwhelm and wyverns fly high in the sky…

In this world, people are either sword-wielding knights, magic-wielding mages, or spirit-wielding summoners. There hasn’t been anyone yet who can do all three… until now.

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

At the press conference, reporters bombarded Chen Xing with questions. “Can you explain how someone as young as you clinched the championship? We heard accusations from other contestants that you've been cheating? Is that true?”Chen Xing shoved the microphone that was pushed up to his nose away, his face filled with annoyance, “I want to state again very seriously that I haven't cheated!”As his words ended, Chen Xing waved his hand and summoned a behemoth that blotted out the sky, then jumped onto its back. “Damn it, I can't stand this anymore. Just because I raised them well, they say I cheated? My crocodile accidentally ate a demon, and that's cheating?”

He is an undead who is devoid of all humanity, he is the one and only supreme overlord, he is a man who has severe mysophobia.