A serious and upright husband who seems to have no experience with infidelity or desires, finds himself having his wife stolen right under his nose by a skilled masseur while he's at home. In such close quarters, they would normally protest or refuse, but being watched by her husband makes them hesitant to act out of fear of appearing indecent... ashamed... unwanted. This is the true nature of women; putting their partner's feelings first even when faced with temptation. Seeing through this vulnerability, the skilled masseur guides the unsuspecting wife towards pleasure, eventually penetrating her deeply...

真面目で堅物で、浮気経験や願望も一切無さそうな奥さんを、超至近距離に旦那が居る状態で寝取ってしまう男性エステティシャン。2人きりなら、声を上げたり拒否したりするだろうが、目の前に旦那が居る状態では自分がふしだらに思われたくない…旦那に対して恥ずかしい…嫌われたくない…、そんな考えが先行して逆に声を上げにくいのが女性の本性。そんな心を見透かした男性エステティシャンは、淡々と奥さんを快楽に導き、生挿入してしまいます…。