She took part in an attempt to seize control of the Administrative building, where Nutcracker ambushed her squad and wiped them out. The ghoul cornered her last, complimenting her beautiful face before eating it.
- Erina's surname Tagata means "field, rice paddy" (田) (ta) and "person, side" (方) (kata/gata).
- Tagata was modeled after one of the 20 winners among the applicants to the ghoul investigator recruitment campaign. She is associated with "halfway, half-hearted" (半端, hanpa) in the operation reports attached to the chapters.