Fiona Ran Winchester Friends

Arashi Mikami is a member of Team Ampoule One in Black Label. He barely survived a terrorist attack as a young boy, and his life was saved by surgically implanting the body parts of his childhood friend.

Masamune Mochizuki is the Chairman of Mochizuki General Hospital and founder of the Black Label organization.

Miki Tsurugi is an anesthesiologist and sniper who often partners with Yuuko Sagiri.

Mikoto Kiba is a member of Black Label's Team Ampoule One, and a skilled motorcyclist. At school she's well known as the "rich girl".

Oriha Nashida is a famous pop-idol who specializes in explosives after going into a rage.

Sayo Hitsugi is a member of Team Ampoule Zero. She's a nurse who processes incredible strength and specializes in heavy weaponry.

Yuuko Sagiri is a member of Black Label and staff doctor at Mochizuki General Hospital. She's a superbly talented surgeon and fighter who is equally skilled with the katana as she is with the scalpel.