I Found the Richest Man's Little One and Was Forced into a Whirlwind Marriage

Energetic Beagle top x Hypersexual Queen bottom

P.S. The little cub isn't the CEO's child. She's the child of the heroine's rebellious older sister, who chose to have a child without a father.

Contract marriage at first sight, passionate romance after marriage, daily life with a child, a sweet little treat to enjoy.

Theme: Wholehearted devotion, pure love is invincible