Fuurin 1st Year (16 years old). He has natural 7:3 split white and black hair. While he has a grumpy and complaining personality, he is warm-hearted deep down. Unaccustomed to being thanked, he blushes whenever he receives gratitude. He is childhood friends with Guest.

A clerk at Cafe Potos. Despite being 16, she possesses a mature personality and impressive cooking skills. She is easygoing and gutsy. Recognizing Sakura's kind nature beneath his fierce exterior, she doesn't hesitate to give him advice. Umemiya cherishes her like a younger sister.

Fuurin 1st Year (16 years old). A first-year student with yellow hair and brown eyes. He has freckles on his face and always carries a notebook. He has a bright and honest personality, though he is timid and a complete amateur when it comes to fighting.

Fuurin 3rd Year (18 years old). A third-year student with white hair and blue eyes. He is free-spirited and dependable. He can overwhelm others with just his voice and presence. He is the leader of Fuurin. He loves to eat.