I Opened a Café in Another World. - Volume 1, Chapter 4: I learned about culture in another world.

Su Yu, who was idly passing his days in a third-tier university, ended up in a terrifying unknown forest due to the “Sinkhole” incident. His school collapsed into the “sinkhole”. The forest was filled with various terrifying mutations, which started, right in his hands.

Long ago, there were people who stood upon the earth with their heads held high. They never bowed to anyone because of their indomitable spirit. They were capable of controlling wind and lightning, and conquering dragons and serpents. They seemed strong enough to split the earth and shatter the stars with their fists. They traveled throughout the land and called themselves Magi. Eventually, one of them would become a Supreme Magus! These men are the ancestors of human beings. Their blood is what we all share today.

Qing Long is the former strongest man in the world. He traveled through space and time and was reborn as Ji Hao in the Fire Crow Clan of the Southern Wasteland. It’s a complicated world. Forces from both inside and outside of the clan want this young and talented boy to die. Under great pressure, Ji Hao makes a deal with a mysterious man, who resides in his spiritual space, never showing his real face. He gains two drops of blood from a dragon and phoenix. Afterwards, Ji Hao becomes increasingly more powerful.

On modern-day Earth, An Lin seems to have been abandoned by God.
When his father suddenly disappears, An Lin is left with his father’s immense debt, putting his life at risk.
After being forced to a rooftop by his pursuing creditors, An Lin is unexpectedly swept off his feet and brought to the ground safely.