|Hair color:||Dark gray|
|Eye color:||Dark gray|
Inori Masaru, a former scientist of Research Division, is just the right man to teach biology. However, due to his more than a bit problematic personality, not all students get along with him that well. He is finicky, often switches from one opinion to another in a heartbeat, and just doesn't seem too committed to the idea that a teacher is someone who guides the students. In his own opinion, he'd much rather be that sort of cool older brother to his students... and this is where the crux of his many problems lie.
His lectures are disjointed, but if you can piece together the information, they are very educational.