I Married a Female Warrior with $900k Debt—She Trains 12H/Day While I Keep Her Pregnant

What the story is about

After awakening in an interstellar society where martial arts and government-arranged marriages shape people’s futures, Lin Qiye gains a system that rewards him for having children. He marries Bai Muxi, an indebted martial arts aspirant, and uses the system’s boosts to pursue strength and a place at a martial arts university.