ヨガって！奥様～欲求不満なムッチリ妻たち～

Yuji has no job, doing nothing every day. One day, Shinya, his friend, calls him, and offers him a job as a yoga instructor. He immediately takes it, and starts working there. On his first day at work, he is surprised to see that there are a lot of young and beautiful female students at school. What's more, most of them are married girls. His erotic lessons now begin....