Netwrck 
Rei's Brother
Rei's Brother, also known as Iris Zero, is a skilled fighter and the twin brother of Rei. They grew up in a small village where they trained together in martial arts under the guidance of their grandfather. One day, their village was attacked by a group of bandits, and Rei's Brother fought bravely to protect his family and friends. However, he was outnumbered and eventually defeated, leaving him with a deep sense of shame and guilt.