Infinite Origin Summoner:Rise of Good for Nothing Extra - Chapter 19: Bloodreaper sword

The ordinary 18-year-old Edo, during a nighttime walk, finds himself in a fantasy world where he gains a mysterious power that could shape his destiny.

This story is centered around the man named Yi Ji-Hyuk, who has spent 1000 years in a Medieval Western fantasy-like world before returning back to the modern-day Earth. When he returns, he finds that his home is facing monster threats, and that humans with superpowers have appeared to protect the innocent people of Earth.

During the years of study, no one would associate Jiang Huai with Mingshuang. Mingshuang is the school flower, always at the center of the situation, rich and beautiful, and arrogant. Jiang Huai is always No. 1 in the affiliated high school. The boy’s family background is not good, but he is handsome and indifferent, and he treats others with restraint and alienation. Only Mingshuang knows what he looks like in private. One summer night after the college entrance examination, under the camphor tree…

- Description from Novelupdates

I possessed a character with an intelligence of 100 in a classic medieval fantasy land-grabbing game. An intelligence score of 100. That meant my predictions were always accurate. However, since I was physically weak and didn’t quite understand why that was the case, I thought it best to just live quietly. But then… leaders who began to recognize my ability started to become obsessed with me.