Episodes

1. 1

2. Episode 2

3. Episode 3

4. Episode 4

5. Episode 5

6. Episode 6

7. Episode 7

8. Episode 8

9. Episode 9

10. Episode 10

11. Episode 11

12. Episode 12

13. Episode 13

14. Episode 14

15. Episode 15

16. Episode 16

Overview

One morning, a boy dashes out the door of his apartment carrying a school bag on his back. He jumps into the building elevator as on any other day; but today, it won't stop and just keeps on going down.When it finally stops with a jolt and the door opens, the boy finds himself in a world deep under the ground. There his adventure begins. (Source: yamamura-animation.jp)...

Details