Aihara (藍原, あいはら), full name Aihara Shizuka (藍原静 あいはら しずか), is a second year student of Reihou Academy. She first debuted in Downtown Nekketsu Kōshinkyoku: Soreyuke Daiundōkai as the team's manager and cheerleader.
Aihara has a 24-year-old sister named Megumi, who is an art teacher at Nekketsu High School. Megumi's birthday is on June 6.
In Bikkuri Nekketsu Shin Kiroku! Harukanaru Kin Medal, Aihara's given name is used instead of her surname.
Aihara in her role as Omon in Downtown Special.
- ↑ Aihara's birthday at Miracle Kidz (Japanese).