Has a cute voice and doesn't get along very well with Machi. She has long lime-green hair, lime-green eyes, and wears many hairpins in her bangs. Female.

Tall with lime-green hair and eyes. He has a cool, deep voice and doesn't get along with Choma. He likes sweets but isn't good at dealing with Chi. Male.

Her name is Chi, but everyone calls her Chi-neesan. She has lime-green hair in a ponytail. She has a mature aura and is popular with the underclassmen. Has a mature, sisterly voice. Female.

Everyone calls him Yo-kun. He has a cute, boyish voice and always speaks politely in formal Japanese. Everyone dotes on him. Male.

Has a clear, transparent voice. She always sounds sleepy but is surprisingly reliable. Female.

Speaks with a beautiful voice. She is always taking care of TOMA. Female.