Mayu Sumimori

Mayu Sumimori (住森 麻夕, Sumimori Mayu) was in charge of the accounting and intelligence gathering for the CCC, in which she went under the code name Eleven (イレブン, Irebun). However, after she was deemed to be no longer useful, she was left to be killed by the organization, but she was saved by the F Squad and restarted her life outside the CCC.