Seiko, while suspended from school goes to Nagasaki, where she finds herself involved in a murder mystery.
| Actor | Role |
|---|---|
| MMiyuki MatsuokaSeiko Nagare (voice) | Seiko Nagare (voice) |
 Toshihiko SekiChuta Misora (voice) | Chuta Misora (voice) |
 Mika DoiMisako Totsugawa (voice) | Misako Totsugawa (voice) |
 Bin ShimadaKyoichiro Takano (voice) | Kyoichiro Takano (voice) |
 Tatsuyuki JinnaiKataoka (voice) | Kataoka (voice) |
| TTerue NunamiOkiku-san (voice) | Okiku-san (voice) |
 Hiroshi MasuokaMisako's father (voice) | Misako's father (voice) |
 Masashi HiroseDetective (voice) | Detective (voice) |
 Urara TakanoObasan (voice) | Obasan (voice) |
 Ikuya SawakiGonbei (voice) | Gonbei (voice) |
 Kenichi OnoWaiter (voice) | Waiter (voice) |
 Takurou KitagawaConductor (voice) | Conductor (voice) |