JUR-379 : A curvy body frustrated by increased sensitivity due to yoga

Iroha is a wife troubled by her sexless marriage with her husband. One day, when Iroha discovers that her husband is cheating on her, she decides to start “improving her physical condition through yoga = mankatsu” at the suggestion of a friend who has the same problem. As time goes by, her body begins to change, and her husband also becomes more proactive in their nighttime activities… Just when she thinks she has finally resolved her long-awaited sexless marriage, her nephew is aroused by the effects of mankatsu!? Iroha’s body becomes so sensitive that she can’t resist her nephew, and he even teaches her how to ejaculate for the first time…