The Big Shot’s Contract Marriage Leads to Sweet Romance [ABO]

There are genius that trained in energy cultivation so hard and reached 8th stage after 2 years and mc almost reaches that within a month??? Side character cultivated for 2 years to reach 5 stage and within a month,.. He(side character) can reach 7th stage??? And they say,... Higher the level, higher the difficulties?? The best collage in the country took many students before and now,.. When mc fights for the entrance,.. The number is cut down??

Yeah i read chapter 24...can someone tell me what the hell this series is about? I skipped to chapter 24 and that was far worse than i expected...it was kinda disturbing to read. And the description doesn't really tell me much of anything.