You Turned Down My Confession, So Why Are You Crying When I Transform into Oma Zi-O?

On his very first day of college, Su Ming confesses his feelings to the campus belle, an upperclassman. But she isn't human. She takes Su Ming to a wooded grove and transforms into an Orphnoch right in front of him! Su Ming is so terrified that his scalp tingles! Only then does Su Ming realize that the world he transmigrated to is filled with all kinds of monsters! "Oh, crap! Senior, don't do this!" "Senior, you can have my body, but you can't take my life!" Luckily, at the critical moment, Su Ming awakens a god-tier Knight System! And his luck is off the charts! His starter gift pack gives him the Oma Zi-O Knight Card, awakening its power on the spot! The might of the most benevolent, the strongest, the supreme, the most righteous! Behold its arrival! With his formidable power, he beats the monster campus belle senseless. What a rush! But to his utter surprise, she isn't the only monster at school. Knights of all kinds start showing up too! This world has gone completely haywire! But Su Ming couldn't care less! I'm Oma Zi-O! What do I care about Orphnochs, Inves, or monsters? Today, every last one of them dies! Send me ten thousand and I'll slaughter them like pigs!