The regular social gathering of the parents' association officers of class 3, 2nd grade, from Midorigaoka Elementary School... Fathers and mothers alike, all of them have come together from their busy schedules to seriously discuss budgets and allocations for class events... Once they've finished discussing the main topics, the parents start to get lively and have a party-like atmosphere, for some reason... The normally serious and beautiful parent mother is subjected to shameless acts by the dads of the same class...