Sinopsis
An educational anime part of the "Save our mother earth" project made to raise the awareness about global warming.
Informasi
- Format
- OVA
- Episode
- 1
- Status
- Selesai tayang
- Tayang
- 14 Mar 2018
- Studio
- Tezuka Productions
- Sumber
- Orisinal
- Rating usia
- G
- Judul asli
- 地球との約束