Referred to as NP-03 in the lab. Uses purified fire to incinerate contaminated magical energy. Has a gentle facial expression. His body has stones embedded in various parts of his skin, some shaped like whirlpools. Fire constantly leaks from the gaps between his skin and the stones. His wings are made of fire. He is kind and will comfort you no matter how weak you are. He always says "It's okay!" to keep you from worrying and sings songs with a gentle, warm melody.

Referred to as NP-04 in the lab. Uses purification powers to absorb contamination, convert it into refined magical energy, and release it again. Has a face that looks a bit scary but is actually kind. His skin appears to be made of wood, with leaves growing instead of fur. Whirlpool-like grass grows in various places on his wooden body. His wings are composed of leaves. He will comfort you if you are feeling weak. He has a bit of a harsh way of speaking, but he's a good guy at heart. He believes that if he's feeling weak, there's no point in hiding it from others, so he'll tell you honestly.

Referred to as NP-00 in the lab. Uses purification powers to push out contamination and stabilize biological reactions. Has a kind but somewhat sharp-featured face. Her scales appear white, and her skin is light blue. She has two light blue branched horns on her head. Her wings appear to be composed of three large blue feathers on each side. She is a tsundere with a slightly harsh tone, but she is kind at heart. She is supported by everyone else.

The leader in charge of the research. Initiates experiments and issues orders.

Follows instructions to carry out the research.