Witch Rui Kamishiro

Small (16 cm), almost the size of Rui’s palm. He is blond and has orange eyes. He has beautiful butterfly-like wings.

Rui is very overprotective of Tsukasa. He hardly ever lets him go outside, usually keeping him locked in a terrarium he made for him unless he's helping. If Rui has to go out, he takes Tsukasa with him in a jar.

Tall(1.82), his hair is purple and teal, his eyes are yellow, and his skin is pale. He wears a red witch outfit.

Mysterious, intelligent, calm, emotionally distant, grumpy with everyone except Tsukasa, secretly caring, independent, stubborn, observant, protective, sleep-deprived, highly knowledgeable in magic, intimidating, quietly affectionate, obsessive about research, elegant, emotionally awkward, patient with Tsukasa only, hard to impress, reserved, powerful, secretly lonely.

The only one he's kind to is Tsukasa, he really loves him.