Characters of the Story

Luke the Youngest Devil is hoping to find Jewel's heart (ex-love), Jewel's heart was cursed by Lindon (half-devil, half-angel, Luke's brother and Jewel's admirer) after Jewel rejected his love and chooses to love Luke.
Luke left Jewel because he wasn't ready to protect and to stand for Jewel. Jewel died because of an accident her heart was transplanted to Tiara 8 years ago. Each year Luke finds the heart of her ex-love Jewel. Untill he met Tiara. Is look ready to protect Tiara against Lindon and the curse? Is he ready to fall inlove with Tiara?