SHOUJO ROMANCE: ML - cursed, illness, insomnia, etc.

[Manga] -1
-insomnia/sleeping together
-ml has alot of evil spirits surrounding him, making him have insomnia
-fl can see those spirits and ml needs her to sleep with him/stay beside him while they sleep on the bed so he could fall asleep.

[Manhua] -1
-cold poison
-ml suffers from an "incurable poison" and having direct contact with the fl lowers the toxicity levels of his poison.

[Manhwa] -1
-insomnia/sleep kiss
-ml was cursed by a witch and since then was unable to sleep, the fl's family (only the females) have a power where in a kiss from them can make them fall asleep.

[Manhwa] -1
-purification
-ml here doesn't suffer from an illness but will go crazy and die from his powers without a "purifier".
-while fl is the only "purifier" in the kingdom.
-he needs the fl so he won't end up that way

[Manhwa] -1
-healer
-ml is suffering from the pain of the aftereffects from overusing mana
-fl has mastered the ability to dispel magic spells, she heals his disease little by little

[Manhwa] -1
-both need each other
-fl needs the demon lord's powers for the pain from the poisoned body to be gone.
-ml hasnt gotten used to the body and feels pain all the time, touching fl relieves that pain.

[Manhua] -1
-purification (thru blood)
-ml got bitten by a bat making him have a bloodthirsty disease that makes him go crazy on a full moon night if he doesn't drink human blood
-drinking fl's blood makes him sober immediately

[Manhwa] -1
-healer (thru blood)
-its more of both need each other, meant to be^^
-ml has an inherent madness where he has an unquenchable thirst and kills people

-fl's blood has strong healing powers and cures ml's thirst and madness for a while

-every so often, fl's ki would go wild and she had to do bloodletting (letting out blood), but when ml drank her blood it calmed her ki.

[Manhwa] -1
-tranquilizer fl
-just like the title, the fl serves as a tranquilizer for the ml, literally
-ml has a "disaster" sealed inside his body and he was told by the one who sealed it to find the fl.
-fl also has a scent of tranquility that made ml feel at peace when the seal was weakening

[Manhua] -1 (1st world)
-insomnia/singing
-ml needs someone to sing for him to fall asleep, however he usually gets sick of it everytime after 1 month
-fl's singing helps him fall asleep immediately, be at peace, and was still effective to him even after 1 month