Ace is one of the adopted brothers of the main character, Monkey D. Luffy. He is one of the 2nd division commanders in the Whitebeard Pirates, and also known as Fire Fist Ace.
4. Ai Hayasaka
Hayasaka is a second year student at Suchin’s academy. Basically, she is a kind girl who really care about Kaguya and considered her own sister.
3. Itachi Uchiha
Yes, one more side character who sacrifices himself so that the plot of the story develops. Well said, the character Itachi was created by Masashi only to suffer.
2. Rem
She is one of the twin maid demon girls from the Roswaal family. Unlike her older sister, Rem likes to talk her own way, but she tends to speak in a polite manner.
1. Levi Ackerman
Levi is one of those people who really likes cleaning. With his calm personality, Levi becomes the strongest warrior. His strength is described as equal to the entire army.