Sugar

田中ちえ美

Rikka (voice)

村上奈津実

Chiyo (voice)

Ayane Sakura

Sekine (voice)

Megumi Han

Tsubasa (Tsuyoshi) (voice)

芹澤優

Tsubasa (Older Sister) (voice)

広瀬裕也

Hanzо̄ (voice)

Yoji Ueda

Brian-sensei (voice)

金田朋子

Maskuma (voice)

Hochu Otsuka

Narration (voice)

Daisuke Ono

Head of the Research Institute (voice)