Shūsaku Iwasaki/Relationships

Yayoi Endo
A member of Narumi Squad.

Shinoa Hīragi
Leader of Shinoa Squad. She has to constantly keep Yuichiro Hyakuya in line.

Shinya Hīragi
A sniper who bears a Black Demon. He helps Narumi's team exterminate Lucal Wesker.

Yūichirō Hyakuya
A rude member of Shinoa Squad. He bears a Black Demon Weapon.

Guren Ichinose
Leader of the Moon Demon Company.

Rika Inoue
A member of Narumi Squad.

Taro Kagiyama
A member of Narumi Squad.

Shihō Kimizuki
A member of Shinoa Squad. He bears a Black Demon Weapon.

Makoto Narumi
The leader of Shusaku's squad. It was said that the two grew up together and were quite close. After Kureto activates the experiment, Shusaku is stabbed and yells at Narumi to run before his death.

Mitsuba Sangu
A member of Shinoa Squad.

Yoichi Saotome
A member of Shinoa Squad. He bears a Black Demon Weapon.

Akahebi
Akahebi is contracted to Shūsaku where they are close enough that Akahebi can manifest as a chain. This is until Shūsaku is sacrificed where upon his death, Akahebi is no longer contracted to anyone.

Lucal Wesker
Lucal is a vampire noble Narumi Squad and Shinoa Squad exterminate in Nagoya. He uses his cursed gear chain to bind his arm as part of a strategy to defeat him.