A good story is filled with unpredictable, hard-hitting twists, and this is especially true for anime. It's a medium known for taking conventional tropes and flipping them upside-down, leading to some of the most shocking plot twists out there. While any show can throw in a twist for shock value, the best use proper build-up that keen fans can spot with a sharp eye.
Source：https://www.cbr.com/huge-anime-twists-missed-foreshadowing/
