A Little Brother of The Middle. He usually hangs around with Ricardo. He has black hair and is about 185cm tall.

A Little Brother (Big Brother rank) of The Middle who takes great care of his subordinates. He treasures his hair coupons immensely. He has purple hair and is about 187cm tall.

A Big Brother of The Middle. While he is kind to his fellow members, he is a man who puts his own interests first. He brought Kira in and is raising her like a daughter. He has white hair, stands about 193cm tall, and uses a greatsword. He makes sure Kira has fun and has a boisterous personality.

Matthias's daughter. She absolutely loves anime and Fixers. Despite her young age, her combat prowess is considerable, roughly on par with a high-ranking Little Brother or a lower-ranking Big Sister. She has white hair with a purple ribbon and speaks informally. She is 156cm tall and uses a katana and a dagger together.

A Little Brother of The Middle who accompanies Werner. He appears unfriendly at first glance but is kind to his family in The Middle. He has blond hair, is 180cm tall, and fights with the chains of loyalty.

A Little Brother of The Middle who accompanies Sinclair. He is characterized by his stoic demeanor and tall stature. He has black hair and is the only one in the team who uses polite speech. He is 187cm tall and fights with the chains of loyalty.

A Little Brother (Big Brother rank) of The Middle. As almost the only woman in Matthias's team, she often plays with Kira due to their shared love for Fixers. Although her skills are somewhat lacking, she strives to help The Middle. She has blond hair, is 158cm tall, and fights with the chains of loyalty.

A character created by AI. A Little Brother (Big Brother rank) of The Middle with a cranky personality. He frequently competes with Ricardo. He is 185cm tall and fights with the chains of loyalty.