Saffy Sigil, or "I," suddenly realized: "Isn't this the game my sister used to play?"

I had no intention of making a plaything of the villainess, so I just tried to keep a low profile and avoid getting involved.

While caring for my fiancée, I aimed for a peaceful, stable, and uneventful life.

What fate awaits the love of this prince, who looks like a playboy but is a doting mother figure at heart?