The Day I Quit Being an Obedient FiancéeNew婚約者が浮気相手の知らない女性とキスしてた～従順な婚約者はもう辞めます！～; Konyakusha ga Uwaki Aite no Shiranai Josei to Kiss Shiteta ~Juujun na Konyakusha wa Mou Yamemasu!~

Esmeralda, a gentle count’s daughter, catches her fiancé kissing an unfamiliar woman in secret, realizing his infidelity runs far deeper than she thought. Constrained by family politics that prevent an immediate breakup, Esmeralda refuses to remain a passive, obedient maiden. When she hits it off with a visiting princess from a neighboring kingdom, she seizes the chance to apply as her lady-in-waiting and leave the realm behind. Under the elite mentorship of Duke’s daughter Sarah, Esmeralda transforms into a stunning, assertive, and brilliant noblewoman. But just as she prepares to cut ties for good, her ex-fiancé notices her breathtaking glow-up, panics at her independence, and desperately tries to win her back.