Touzouku to Houseki Shoujo

Azusa, referred to as the "jewel girl," is among the last surviving members of her family, who possess the rare ability to transform plants and flowers into precious gems based on her emotions. For ten years, she was held captive and worked for a powerful Lord, finding comfort in brief interactions with the Lord's kind second son. After the boy suddenly vanishes, her ability begins to fade. Determined to find him, Azusa escapes and encounters Monji, a young thief who proposes a deal with her.