Chiiko-sensei stands as a prominent figure in the series, portrayed as a wealthy, assertive educator residing in a sprawling mansion attended by servants. Her striking blonde hair and voluptuous silhouette are frequently emphasized in narrative depictions. As a teacher, she enforces strict, sadomasochistic discipline, with students paradoxically drawn to seek her punitive measures—a dynamic reflecting the series’ exploration of dominance and submission.

Her arc intertwines with a curse imposed by the yokai Dokuro, marked by a skull sigil that unleashes three days of escalating aggression, climaxing in a near-fatal school rampage. This affliction sparks violent confrontations, during which she demonstrates formidable combat prowess and resourcefulness, employing improvised weapons to overwhelm adversaries.

The anime adaptation amplifies her physicality through a bathhouse battle, highlighting her ability to counter assaults with a blend of fluid agility and raw strength. Her residence, a heavily fortified estate, doubles as a training ground where she spars with hired combatants, reinforcing her disciplined, battle-ready persona.

Supernatural events temporarily thrust her consciousness into others’ bodies, spawning chaotic scenarios entangled with secondary characters. Interactions with protagonists frequently erupt into clashes driven by her cursed state, though these conflicts typically resolve through external intervention rather than personal reconciliation. The character’s narrative remains anchored to the documented manga and anime, with no expanded media elaborating on her origins or evolution.