Being Seduced by Handsome Father and Son

Shionee Kagami is a dragon-tribe girl born on a prison planet after her mother was unjustly imprisoned. After 20 years of confinement, she returns to the planet Hekisei to seek revenge, but she ends up being taken home by a boy she saved, who calls her "my bride." There, she finds the Crown Prince, Koko Ginga, who is known as the number one ideal groom. However, he also secretly suffers from a hidden illness, and possesses exceptional medical skills...