Karatsu Akira (唐津 洋子 Karatsu Akira) is one of Yume and Utsutsu's friends at school.
- She is currently 16 years old.
- Although her first name was written as Akira, it could also mean Yoko. This may be due to a translation error.
- She was born on September 12th.
- Her blood type is B.
- She is an only child.
- It could be implied she is on the track team due to her profile saying that she has 'pretty fast legs'.