Yamato Masayoshi

The protagonist. He is a specialist known as a "fire extinguisher", whose job is to "extinguish" and handle the flaming incidents. He transfers into the academy as a teacher in order to offer "guidance" to those who cause flaming incidents. He has the special skill of being able to discern a woman's body shape even through her clothes, and after seeing it, it will be etched in his memory forever.

His favorite food is meat, while his least favorite food is cucumbers.