Okay, no. Dropped.
"If you survive for 3 years in the maze you'll become a swordsman"
"3 years? So 3 days for me...."
...wat? First, surviving 3 years has nothing to do with XP gain. Second, surprisingly 3years/400speed IS 3 days. How the fuck did our MC become a living calculator?
Also, a slime got 2 levels ONLY in Chapter 1? Think about it. 400 slimes for 2 levels. System's fucked up.
He didn't even think of his sister after dying. "Guild" system feels weird, and the rent-a-slave is way too Deus Ex Machina.
I mean, the universe/premise seems acceptabl...ish. If the TL was decent, maybe it'd make more sense and I'd soldier on. But pass.