Three young girls try to identify a thief who stole money from one of them. There are three suspects and each girl investigates them separately. The suspects are: a girl from their class with a secret connection to her teacher, a young boy from their class who's in love with the girl that investigates him, and an old man from school who mistakes the girl that investigates him as his daughter.
| Actor | Role |
|---|---|
| MMiki ItouMari (voice) | Mari (voice) |
| HHitomi OikawaNami (voice) | Nami (voice) |