I Raised a Dragon for Ten Years, but He Only Loved My Sister - Episode 8

Lena Karen, a neglected noble mage, spent a decade feeding her magic blood to the icy wyrm Caylus, hoping to win his heart. Yet she learns he only wants her bond to approach her talented sister Eliza, planning to discard her after becoming Dragon Lord. Broken and weakened, Lena flees and meets Caspian, a scarred, gentle outcast wyvern with hidden great power and sincere devotion. When her family lures her back to drain her blood for Caylus, the underestimated Caspian rises, ready to prove he is the true Dragon Lord.