Yumi, a wife troubled by her sexless marriage, learns of her husband's infidelity one day. Following the advice of a friend who shares the same problem, she decides to start 'yoga for body improvement = vaginal rejuvenation.' As she continues, her body seems to change, and even her husband becomes more active in their nightly activities... Finally, is her wish to end the sexless marriage coming true? However, due to the effects of vaginal rejuvenation, even her nephew gets aroused!? Yumi's sensitized body cannot resist him, and she ends up being taught even her first orgasm...
