When I was complaining about my fiancée to a party member, it was actually me. M-Novells

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I was reincarnated as Rosetta, the villain of the Otome Game, who died on any route. In order to survive in this world, I need physical strength. The crown prince of this country is my fiance, but I have had a cold relationship since my childhood. I don't have to worry about it at all, so I decided to go out of my house, disguise myself, and become an adventurer! I have a happy life as an adventurer. If my fiancee, who was in a cold relationship with my comrades, complained about me -- that comrades was my fiancée --?