10 Kyu
atsushi_0919_
| Country/Region | Japan |
|---|---|
| X(Twitter) ID | @atsushi_0919_ |
| Affiliation | The Open University of Japan |
atsushi_0919_ | Country/Region | Japan |
|---|---|
| X(Twitter) ID | @atsushi_0919_ |
| Affiliation | The Open University of Japan |