A good way to get better at writing is using a software like Gramally or LanguageTool, both of them have browser extensions that could be useful for you.

Meio triste..., mas fazer o que né.

Devil Fruits are very repetitive. So think about something new!

I am the fastest man alive.

Rarely I can find a good AOT fic, so my hopes are in this story.

I think it's because he's not old enough to have a cell phone (still school age)

.....

It is Portuguese and it's because the author is a famous Brazilian Youtuber.

Brazil?

ice senbon is what I picture

Sad.

For some reason BlueBird reminded me of "hatatai kara!" My god, naruto is too good.