Gyakkou Saki ga (Moto) Konyakusha no Nakatte Dou Iu Koto desu ka? Konyaku Hakisareta no ni "Karada no Naka" de Dousei suru Koto ni Narimashita

"When I shared my body with my cold ex-fiancee - I found out that he was doting on me."

I, the Count's daughter Alisha, lost my life when Lord Jill broke off our engagement. But only my soul went back and I was revived in Lord Jill's body. I'm going to watch over Jill, with whom I share a body, and find out the cause of the annulment of my betrothal. However, I can see everything, including him bathing and changing clothes!

The investigation is not going to be easy due to the overly stimulating shared life, but Jill seems to be single-mindedly devoted to "Alisha" (me in the past).