A perverted teacher goes on a hot spring trip with his former students. He obtains their old sailor uniforms and makes them change into them. The former students still have feelings for their teacher, and though shy, they end up wearing the sailor uniforms and voicing erotic requests. Exposing their panties and breasts outdoors, they freely enjoy themselves, fulfilling their lustful desires. This intimate, sensual time becomes a special moment where past memories and present emotions intertwine.