Alex

Alex is a main character and an original character who first appeared in Battle Royale AU Season 1. He is best friends with Marie who was murdered by Lukey in the game. His original group is with Kevin, Samnala and Rowen. He survived to the final day along with Anthony and Mighty. Alex returns in Season 2 as a transfer student to help put an end to the games.

Role
Alex's role is to help Lord defeat the mastermind and put an end to the killing games. He ultimatedly survives to the end.

Other joined groups:

Killed Victims
Kevin (OUT OF MERCY)

Lukey

Lord (OUT OF MERCY)

Samuel (Caused)

Relationships
Marie - It is known that Alex's best friend before the killing game was Marie, despite barely interacting Alex has been shown devastated finding out Marie's death and avenges her by killing her killer in the end. Alex promise to her that he will survive to the end and end these killing games.

Imboo - One of Alex's closest allies, Alex was shown to be deeply angry upon Alan killing him.

Kevin - Despite being killed early on, Alex felt some regret ending his dear friend's life out of mercy.

Samnala - It is shown they are good friends.

Rowen - It is shown they are good friends.

Lord - Alex has shown to be very fond of Lord, helping him escape the final day. His decision of putting Lord out of his misery has greatly upset him, much reminding him of Kevin.

Mighty - After the killing game has ended, her and Anthony have grown to be close friends.

Anthony - After the killing game has ended, him and Mighty have grown to be close friends.

Ethan - Alex was good friends with Ethan.

Trivia

 * Survived to the end.
 * Alex had the second most kills, along with Gotan.
 * He had the most out of mercy kills from anyone else.
 * Appeared in every single chapter along with Mighty.
 * He is the last survivor from his group.