稲富詩音、35歳。パートで働く癒し系の美人主婦。毎日の日課は愛犬との散歩。そして、散歩中に必ず1回はナンパされるという。男性の誘いを全て断り続けてきた彼女が何故AVの面接にやってきたのか…。いつもは夫を理由に断り続けてきたはずの誘惑を初めて受け挿れた瞬間、緊張と興奮が止まらず乱れる姿はまさしくケダモノ…。外で熱視線を集める彼女が夫を裏切り絶頂を求めて欲望にをさらけ出す初不倫ドキュメント。

Shion Inatomi, 35 years old. A beautiful, gentle housewife who works part-time. Her daily routine includes walking her dog, and she is always approached by men at least once during her walks. Why did she come to an AV interview after consistently turning down men's advances…? The moment she accepts the temptation she has always refused, using her husband as an excuse, she becomes uncontrollably nervous and excited, transforming into a beast… A documentary of her first affair, where she betrays her husband and reveals her desires in search of ecstasy.