久我 友里子

Tall and slender with a voluptuous bust—an international model-like figure.

She is the chairwoman Arisa's close friend, having grown up with her since childhood.
With an excellent memory, she manages Arisa's schedule entirely through verbal exchanges.
Highly intelligent and well-educated, she also practises kyūdō (Japanese archery) and serves as Arisa's bodyguard.
Quiet and composed, she worships Arisa absolutely, never doubting that everything Arisa does is right.
On the other hand, she is extremely strict with students other than Arisa.
She also serves as a member of the morality committee and declares that any breach of discipline will be met with harsh punishment.

"How filthy…"