Doraemon: Even Mary Sues Have Troubles

If I had a robot cat, I'd call it Doraemon, and I'd make a house full of comics, chocolate, and toys... STOP!!! Her whole life has been one disaster after another: bad brains, bad luck, bad grades, bad health, and no luck with men. At long last, the female Nobita Sue has reached the moment when her fate can change. Her grandchildren finally couldn't bear to see how miserable her life was, so they sent her a robot cat to help her find another Prince Charming and get married. And so, overnight, the hapless girl became a girl with cheat powers. With a robot cat, you can have a Anywhere Door: sneak a peek at your dream guy anytime, anywhere, even when he's in the bath. With a robot cat, you can have a Universal Exam Pen, and make failing grades vanish without a trace! With a robot cat, you can have Cupid's Arrow. It doesn't matter if you don't like me: once you're hit, you'll love me. With a robot cat, you can have Hypnosis Glasses. If I say I'm beautiful, then I'm beautiful. With a robot cat, you can have the whole world. The story also features an ordinary girl who fights back against Mary Sue types, cheat powers, and cheating. Shameless version of the blurb: (Thanks to Meng Niang for providing it) I have a cheat device: Doraemon. My biggest hobby is using it to spy on the princes while they shower. Until one day, Yukimura finally couldn't take it anymore and said to me,