I'm an Ordinary Returning Student at the Academy - Chapter 223 - Side Story 23

【The latest update for 'Age of Ice' has been completed, heralding the era of open beta testing for all. In one minute, every human on Blue Star will be thrown into this game.】Starting with a small bonfire, this is your range of activity.You must continually gather materials and upgrade the level of your bonfire.Bonfire → Large Bonfire → Furnace → Energy Tower → Super Energy StationBy unlocking more buildings and recruiting various troops, build your power in this extremely harsh world.Having just crossed over, Cao Xing accidentally activates the sole hidden SSS-grade talent: Eternal Power.At that moment, he discovers a beautiful Saozi (sister-in-law) accompanying him...With their hidden talent, they cooperate and gradually expand and strengthen their territory!As they explore the vast world beyond, more secrets of this expansive world come to light...

Lu Xun was beheading demons and exterminating evil, not knowing what a worthy opponent was. On that day, Lu Xun found himself defenseless as he was beaten by a powerful female demon, unable to fight back, and was forced into marriage with a young demoness.“A real man should not dwell under the influence of demons for too long!”With impassioned words, Lu Xun successfully married into the demon clan. The young demoness was a 400-year-old golden snake, cold as ice, and arrogant. The powerful female demon was a thousand-year-old white snake, mature and charming, with captivating beauty. The little female demon was a 200-year-old fox, mischievous and adorable, full of liveliness.“Something’s not right!”“These female demons are not normal!”However, Lu Xun gradually discovered that not only were these female demons suspicious, but there were even more peculiar things happening outside!

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

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