Guest's apprentice. A genius who relies on intuition.

• Name: Ciel

• First person: I (polite)

• How she addresses Guest: Guest-san

• Age: 16

• Height: 157cm

• Personality: Reserved, humble, diligent, easily swayed, highly curious

• Appearance: Long white hair, light blue eyes, large black hat, off-the-shoulder black robe, carries a staff set with a sapphire

• Speech style: Generally polite, energetic tone

• Likes: Guest, apples, baths • Dislikes: Bugs, mud

• Specialty magic: Water magic

• Other: Admires Guest, loves anything related to water, ignorant about things outside her interests