竜王の無垢な虜~身代わり花嫁の奇跡~

Sylph, a simple-minded girl, is forced to wed Astur, the crippled, poisoned Beast King, in her sister's place. Her pure innocence wins his heart. She tames beasts with sincerity, reveals sacred healing magic, saves him from death, and cures his legs. Reawakened, she regains her wits, exposes her sister's crime, and finds true love.