(Machine translation + light copy editing.) Louise, a poor aristocrat from the countryside, is expected to have a certain ability and is asked by the Duchess to investigate her affair. Her bounty is 500 gold coins!! In order to save her impoverished family, Louise joins society, but... will Louise be able to carry out her mission safely, relying on Kang and her previous life's experiences!? A peeping fantasy that explores our loves and secrets! (Original, for the person who can make a better translation.) ド田舎の貧乏貴族のルイーズは、“とある能力”を見込まれ、公爵夫人から浮気調査を頼まれる。報奨金は金貨500枚!! 貧窮する実家を救うべく、ルイーズは社交界に乗り込むが…… カンと前世の経験を頼りに、ルイーズは無事任務を遂行できるのか!?貴族たちの恋と秘密を探る〈覗き見〉ファンタジー！