Shiori Usami

"Do you also wish to enroll? That would increase the number of people wearing glasses around here."

- Shiori, to Osamu Mikumo.

Shiori Usami (宇佐美 栞) is an Operator and a member of Border's Tamakoma Branch, originally a member of Kazama Unit. She is also the creator of the "Yashamaru Series".

Appearance
Shiori is a young woman with dark hair and eyes. Her hair is styled in a hime cut, a hairstyle common in japan. She wears correction lenses, in the form of glasses, and is always seen wearing her school uniform, over which she wears a long-sleeved sweater with a v-collar. When she was still part of Kazama unit, she wore a hoodie over a white shirt.

Operator
When in Operator duty, she wears a suit with an emblem and a striped necktie.

Personality
Shiori is a very playful and carefree person, as shown throughout her appearances in the manga. She also seems to be a nerd. Being an Operator, she is very smart. She's also overconfident and somewhat temperamental, as shown when Jin interrupted her when deciding Chika's position, which made her angry.