- English: Miss Machiko
- Synonyms: Shame of Teacher Machiko, Maicchingu Machiko Sensei, Maitchingu Machiko Sensei
- Japanese: まいっちんぐマチコ先生
Mai Machiko is the newest teacher at Asama Elementary; she's young, beautiful, and has the perfect proportions - traits that attract the attention of not only her students, but the rest of the perverted faculty as well. Whether it's luring her in and spraying up her skirt with a hose or leaps and bounds to grab her breasts, there's nothing that Machiko's first year students won't try to do. Regardless of her embarrassing plight, Machiko is always a good sport and tries her best to help out her students - at any cost to her dignity!