Miku Hara (原 実紅 Hara Miku) is a first year student at Mizusawa High School and a member of the Karuta Club.
Sumire approached Miku during the time when the club seniors wanted to make the new members feel more relaxed. The two hit it off quite well. Sumire even nicknamed her 'Harapii' (or Hara-pea).
The two girls have much in common socially as they like having friends and got into karuta mostly because of Taichi Mashima.
- The name Miku means "fruit, good result, truth" (実) (mi) and "crimson, deep red" (紅) (ku).
- Miku's surname Hara means "field, plain" (原).