The public school, Kawanuma West, is preparing to hold unorthodox sex education classes led by four stunning instructors. Although none of these professionals intend to engage in a romantic relationship with any student, strange and inexplicable occurrences keep leading to sexual encounters. Whether it's accidental physical contact, mishaps with wardrobe or sudden immersion in water, these teachers can't seem to evade their erotic predicaments. The male students, on the other hand, must tread carefully through the tempting pitfalls presented by these mature women.