Miss Ayatsugi, a teacher at Takeshi Chimatsuri’s school, actively aids him in preparing to face the Toki twins, who aim to recover their family sword. She employs unorthodox training tactics, including wearing a leotard and leading dynamic aerobics sessions with classmate Atsuko, intentionally triggering Takeshi’s "female allergy" to build his resistance to distractions.

Collaborating with peers like Torai and Atsuko, she devises strategies merging physical challenges and humor, often involving playful, over-the-top scenarios to heighten comedic tension. Her contributions reinforce the narrative’s sitcom-style tone, prioritizing absurd situational gags over character depth.

Her background remains largely unexplored, with minimal details beyond her role as an educator. Interactions with Takeshi and others focus on driving comedic plot progression rather than personal development. Her presence is confined to these events, with no expanded exploration in additional media.