Yarimoku Beach ni Shuugakuryokou de!! The Animation

Nudist Beach ni Shuugaku Ryokou de!! The Animation – Season 0

Lamenting over what happened to her class and seeing that Naotatsu is the only one having sex with his female classmates, teacher Suomi takes the rest of her male students to an exclusive swingers area of the beach. Along with some of her foreign female friends, Suomi starts teaching her students a private lesson.