The freelance producer who discovered the talents of Eri Mizutani. Ozaki emailed Eri every day, asking her to debut as a real idol instead of a net idol, and eventually she built up the courage to meet her in person. Ozaki temporarily makes a contract with 876 Production and debuts Eri under the company label.
Ozaki herself was once part of an idol duo with another girl, Satomi Kondou. Known as the idol unit riola, Reiko never got past F Rank due to slanderous comments about their unit and their office's president that were posted online. This caused her to hate the internet and drives her desire to protect Eri from it.
The song Precog was going to be her last image song, but went unfinished by the end of her career. She later allowed Eri to finish the song and use it as her own.