The Precocious S******s From The Countryside Who Have Turned An Abandoned Bus On A Mountain Behind The School Into Their Very Own Secret Base Engage In Sexual Acts After School That Would Even Put Adults To Shame.
学校の裏山に放置されたバスを秘密基地にして、大人顔負けのエッチなことを放課後にこっそりやっている田舎のマセた学生達。