Angels Don't Fall in Love? Says Who?

[Western Fantasy] [Chaste Mixed-Blood Noble Heir] [Adorable Blonde, Blue-Eyed Angel] [Size Difference] [Both Pure] [One-on-One] Blood Clan Regent VS Soft, Adorable Angel Who Everyone Loves - Vampire nobles, werewolves, and demons in a fictional world. At first, all the races conceal their identities and live among humans. - What will happen when a cool, chaste mixed-blood royal heir meets an adorable blonde, blue-eyed angel who knows nothing about the ways of the world? Ten years ago. Si Yehan should have died in a car accident, but an angel who fell from the sky saved him. Before he could even thank her, she spread her wings and vanished into the dazzling sunlight. He searched for her for ten years. Then, at a secret auction attended only by the highest-ranking elite, he saw a pair of white wings that belonged to her! How could her wings have ended up at an auction? - "Si Yehan, will you leave me behind?" The blonde girl gazed in bewilderment at the tall man before her, whose presence made her feel safe. "No." Si Yehan carefully drew the person he had found again into his arms. Resting his chin on her soft hair, he spoke with unwavering conviction: "I won't let anyone take you away from me again!"