i agree about the whole forehead thing. everything happens for a reason it seems. kishi hyping up sakura's forehead since part one, and now she has a reason for it to actually be noticed. the amount of character hate here is suffocating. And the fact that the only other person in the manga who was able to store chakra in such a pinpoint location over an extended period of time is a major feat in itself, ESPECIALLY since she was only a 12 year old GENIN
on another note, i wouldn't be surprised if kishi used her genjutsu-cancelling skills in combination with her new stored power to help diminish the infinite tsukuyomi if it ever came to it, at the cost of her life