Ouji-sama, Kore wa Gohoubi de wa Arimasen!

Sharon, who couldn't keep her beloved dog because she was a corporate slave, was reincarnated as a villainess who meets a tragic end in the otome game she created! "I was born into a wealthy family, but I don't want that to happen!!" In order to live peacefully with her beloved dog, she asked Prince Michaela to break off their engagement, but he came to her and said, "Please make me your dog///"...! ? The wonderful school love comedy of a masochistic, loyal prince and a young lady who goes crazy over her dog begins——!!

(Source: ComicWalker, translated)