Struck By An Obscene Curse summary:

Read manhwa Struck by an Obscene Curse"Put it inside me." "Are you sure, Princess?" "Yes, I am. Put it inside me. Do it with me." Abel, the third princess of the Kingdom of Ernst, grew up sheltered like a flower in a greenhouse. During her otherwise ordinary days, she suddenly became cursed. The curse of desire bestowed upon the three sisters. Cecil, the eldest sister, ate voraciously, and Charlotte, the second sister, slept as if she were dead. And I began to feel an overwhelming sexual desire. Knights, wizards, priests; I did not discriminate in my liaisons. Sometimes with one, sometimes with two, or even How many times will I do it today? Can I manage to sleep? My heart trembles, and I cannot tell if it's from fear or excitement.