Make Coffee And Level Up!

Jeong Seong-ho, the strongest in the Tutorial Tower and the owner of the one and only café in the Tower—Top Coffee. After everyone else returned to Earth, he spent 10 years alone… and finally decides to go back himself. “Coffee… there’s no coffee!” And so, he returns to Earth! [Extraction successful.] [Level has increased.] Wait… you level up just by extracting coffee? And that coffee even gives buffs…? A place that sells addictive, almost drug-like coffee! Welcome. The coffee of a returnee is something special.