Super-powered Triplets Help Mom Rule the Palace — Episode 15

Catherine time-travels to a cold palace, gives birth to triplets, and gains a Super Mom system. To survive, she must become Empress. Luckily, her children are gifted: the eldest has godly strength, the middle turns stone to gold, and the youngest sees/hears from 1,600km away. Emperor Aaron, their father, thinks she's using them for power, but he gradually falls in love, making Catherine Empress.