忠誠心がないと言われたので婚約を解消してあげました。

I ended our engagement because he said I wasn't loyal to him., Chusei Shin Ga Nai To Iwaretanode Konyaku Wo Kaisho Shiteagemashita.

One day, while the Viscount's daughter Rubina was walking around town with her fiancé, he got engrossed in a conversation with another woman and left her behind... A mysterious gentleman named Jay called out to her, leaving her confused.