There are two types of geniuses. One is Zhou Wen, the other is the rest. But after a recent defeat, all he does is sleep in class and glues himself to his mobile games. Even with the threat of legendary beings looming, it seems he has all but given up. Yet, unbeknownst to others, Zhou Wen can gain strength through the Dungeon App on a mysterious phone, all at the cost of just a drop of blood. While others toil in reality, his battleground is the virtual world, where he grinds his way to power.