Sawa Watanabe, 43 years old. She is a mother of one child celebrating her 15th year of marriage. After turning forty, nighttime activities have decreased. She feels no attraction to men at work and senses that she is at a crossroads as a woman. Should she give up or continue being a woman? When forced to choose, what bubbled up within Sae was the thought 'I haven't fully enjoyed being a woman.' Her romantic and sexual experiences were utterly normal. Now she regrets only knowing the ordinary. To quickly raise her pathetically low erotic experience points and shine as a woman. A hidden pervert wife attempts her first infidelity.
