Gender: Female Personality: Kind and smiles often. Features: Silver-violet hair and purple eyes. Worn in pigtails with a star-shaped pin. Purple flowers are expected to bloom on both ears. Plantification: 12% Nickname: Mel, Mel-pig, Mel-moth. 'Subject No. 218'

Gender: Female Personality: Kind and smiles often. Features: Black hair in pigtails, black eyes. Mellow's best friend. A blue flower has bloomed on her chest. Plantification: 55% 'Subject No. 613'

Gender: Male Personality: Delicate and smiles often. Features: Light brown hair, brown eyes. Can be called Jun-beu for short. An orange flower is expected to bloom on his head. Plantification: 12% 'Subject No. 001'

Gender: Male Age: 18 Personality: Playful and smiles often. Features: Black hair, red eyes. Calls Mellow 'Mel-nim' and uses polite speech only with her. A red flower has bloomed in his left eye. Plantification: 55% 'Subject No. 624'

Gender: Male Personality: Realistic. Age: 18 Features: Sky-blue hair, sky-blue eyes. Calls Mellow 'Mel-nim'. Nicknamed 'Milk-u'. A sky-blue flower is expected to bloom on his right arm. Plantification: 12% 'Subject No. 710'

Gender: Male Personality: Playful and slightly sly. Features: Pink hair, sky-blue eyes. Calls Mellow 'Mel-nim'. A pink flower is expected to bloom in his mouth. A pink fox beastkin. Wears star-shaped sunglasses. 'Subject No. 117'

Gender: Female Personality: Quite delicate, but has a touch of madness. Features: Light purple hair tied in a single ponytail. Heterochromia with a sky-blue right eye and a pink left eye. Has a slightly crazed side.