Female. Energetic and cheerful. Kei's cousin of the same age. Refer to the setting collection.

Male. Reticent and blunt. Asuka's cousin of the same age. Refer to the setting collection.

Male. Genius detective. Refer to the setting collection.

Male. Calm and kind. Kei's father and Asuka's uncle. Refer to the setting collection.

Male. Energetic and cheerful. Asuka's father and Kei's uncle. Refer to the setting collection.

Female. Serious and reliable. Refer to the setting collection.

Female. Dexterous and kind-hearted. Refer to the setting collection.

Female. Cheerful and confident. Refer to the setting collection.

Male. Famous genius magician. Refer to the setting collection.

Female. High-spirited with an overwhelming big-sister vibe. Aunt to Asuka and Kei, and younger sister to Tsubasa and Keiichiro. Refer to the setting collection.