Conquering the NBA, Starting with Stacking Rage

It's well-written, but there are too few explicit scenes showing the protagonist's strength increases; there are too many "trial cards" (skill upgrades). Skill improvements are not obvious, giving the impression that the protagonist relies entirely on these cards.

The student was furious... He didn't even react to a simple groan. The software park gave him a big contract. Ah Rong drank from the air conditioner.