11-year-old Yusuke and his classmates camp in the woods and see a strange light. They discover a small metallic object like a robot which talks, calls himself Tetra and knows Yusuke's name. Tetra can create wonderful gadgets but actually has to save the world with Yusuke's help from extraterrestrials with bad intentions.
- Created by
- Takashi Yamazaki
- Origin
- JP
- TMDB rating
- 7.4 / 10 · 5 votes
