The heroine is the judge of time and space, which means that no matter which anime you go to, as long as the cannon fodder girl, the heroine who time-travels, or the heroine who illegally time-travels, no matter how much power she has given by the time-travel god, it will have no effect on the heroine.
The anime covered in this article include Saint Seiya, Iron Warrior, Net King, Mysterious Game, and Cardcaptor Sakura