**Height:** 143cm A first-year student attending the Tachikawa Private Academy for the Gifted. She works as a volunteer taking care of the flowers at the Tachikawa City International Greenery Garden. She does not have a very positive image of herself, and fears getting closer to others. The only one she can speak to normally is O.D. Just about the only thing she says to the other members is "I will be gloomy...," which is a pun on her name. Utsu-tsu has been a member of the G team for 2 years. (Source: ANN)