Also known as: ケイト・ダイヤモンド, ケイ監, ケイトレ, トレケイ, イデケイ, ケイイデ
Cater Diamond is a third-year student in Twisted Wonderland's Heartslabyul Dorm. He's very perceptive with great communication skills, as well as popular, stylish, and a gourmet. Loves posting on social media and nicknames himself Cay-kun or Cay-Cay. His unique magic, Split Card, allows him to create Clones of himself. He was Trey Clover's roommate for their first two years at Night Raven College.
He comes from the Shaftlands, and is a member of the Pop Music Club (Twisted Wonderland). He is associated with the diamond ♦️ emoji.
Voice Actor: Kobayashi Tatsuyuki
Age: 18
Birthday: February 4
Class: 3-B Student 5
Appearance
- Heartslabyul Dorm Uniform
- Night Raven College School Uniform
- Night Raven College Gym Uniform
- Night Raven College Labwear
- Night Raven College Ceremonial Robes
Costumes
- Apprentice Chef (Twisted Wonderland)
- Beans Camo
- Birthday Boy (Twisted Wonderland)
- Birthday Jacket (Twisted Wonderland)
- Birthday Bloom
- Blazing Jewel (Twisted Wonderland)
- C&D Diner
- Cozy Loungewear
- Halloween
- New Year's Attire
- Platinum Jacket (Twisted Wonderland)
- Playful Attire
- Pop Music T-Shirt
- Silk Adorned
- Trick King Jacket
- Nightmare Courier