|Nome japonês||宇井 郡|
|Estréia no Mangá||Chapter 118|
|Estréia no Anime||Episode 14|
|Seiyuu||Keisuke Ada (Yoshinori Fujita)|
|Galeria de Imagens|
Koori is a young man of average build, with an androgynous appearance. He wears his dark hair in a sleek chin-length bob, and wears dark-colored suits while on duty.
Koori has a somewhat easy-going personality, making casual comments or jokes even during tense moments. However, he also shows an insightful nature when expressing his unease over the outcome of the raid on the 20th Ward.
Anteiku Raid Editar
Ui joined the battle with Yoshimura, and remained fighting until only him and Suzuya were left conscious fighting the second Owl that appeared.
Post-20th Ward One-Eyed Owl BattleEditar
After the Anteiku Raid, Koori is shown sitting on a bench with Hirako, discussing about the outcome of the battle and that they're not sure if they really even won the battle.
Arima is Koori's former mentor, being partnered together in the past.
As both of them have had Arima as a mentor and partner, they seem to have a friendly relationship with each other and discusses about battles.
Power and AbilitiesEditar
Koori is a highly-skilled Investigator, referred to as the "Hope of the Arima group". He is an exceptional fighter, able to survive for an extending time while facing the One-Eyed Owl in battle. an acrobatic daredevil like Suzuya, as implied when stealing Itsuki Marude's motorcycle together with him though more saner.
- Taruhi: A halberd-shaped quinque he uses in battle against the Owl.