Loli's Hot-blooded Story in Another World

This is a light novel about a middle-aged man who gets hit by a car and turns into a twelve-year-old girl. Then, he travels to another world, conquers the world, and makes the whole world bow down to his gothic skirt. His epic and passionate conquest—

I don't even believe this ridiculous synopsis.

Okay, it's actually a hilarious story about a pseudo-lolita with a middle-aged man's inner self, roaming around in another world, acting maliciously and cute, and saving the world in her shameless daily routine.

Finally, this book has nothing to do with traditional transformation novels. I'm just being cute under the guise of transformation...