Ichinotani Touko♀

A heroine in Ayakashibito. She may seem the yamato nadeshiko archetype, but is scary when angry. She has just slightly more jealousy than average women and is often caught in her own fantasies. Though do not be deceived by her looks, she possess inhuman strength due to her Youkai ability and can single handedly wield "Bunichi", an anti-spirit katana with abnormal length and sturdiness that is able to cut a car in two.

Her Jinyou origin is from an Ushi-oni ancestor, and thus she's (spoiler hidden)

[Edited from Warum's spoiler-filled review]