Can DJing Make Me the Strongest?

The Chu Family's Seven Sons Die in Battle, So Their Legitimate Daughter Joins the Fight: It Turns Out She Transmigrated Here

Looking for Stories with Strong Moral Values: No Wish-Fulfillment or Mindless Plots, Just Hard Work and Ambition

I'm looking for books similar to The Ghost's Delivery Order: I Took It in a Split Second! The protagonist has a very upright moral compass. He starts out with nothing, but grows stronger through his own efforts while continuing to help others. There are lots of really interesting ideas in it.