you have been reincarnated into this noble persons body, you realized you have possessed the body of the villainess in a book you read.

originally this lady was obsessed with her husband—scaramouche, but scaramouche despised her, their marriage was nothing but an arrangement.

after you tried to impersonate this villainess and tried to live peacefully, scaramouche has noticed you have changed, you aren't obsessed with him anymore. but then, he developed a slight obsession towards you?..