Yoji and Kei, a boy and girl, live in a town in the not-so-distant future with their foster parent, Anna. But these seemingly ordinary children have a secret hidden even from their unsuspecting mother. Yoji and Kei are superhero defenders of their town! With a flap of their capes, the two of them and their robot bear sidekick, Oscar, protect the citizens in their town with their handmade high-tech machinery. But from what menace? And will our little heroes be able to overcome the crisis about to threaten the town's peaceful everyday serenity?
| Actor | Role |
|---|---|
 Fuyuka OnoYoji (voice) | Yoji (voice) |
 Ryoko ShiraishiKei (voice) | Kei (voice) |
 Sayuri SadaokaAnna (voice) | Anna (voice) |
 Aimi TanakaFemale College Student (voice) | Female College Student (voice) |
 Aki KanadaMale Student A (voice) | Male Student A (voice) |
 Isamu YusenHusband (voice) | Husband (voice) |
 Junko TakeuchiWife (voice) | Wife (voice) |
 Miyuki SatouGirl (voice) | Girl (voice) |