Teacher at Shiba Koen Junior High School
Okamoto was a teacher at Shiba Koen Junior High School.
A former student of hers named Saitou had fallen in love with her. With that in mind Minako used her compact to disguise herself as Okamoto in order to convince Saitou to stop fighting. Saitou who was completely fooled by Minako's disguise kissed her, thinking it was Okamoto.
- Okamoto was a Codename: Sailor V-only character.