3 Dan
ryoissy 
| Country/Region |  Japan |
|---|---|
| Birth Year | 1995 |
| X(Twitter) ID | @ryo_issy_resub |
| TopCoder ID | ryo_issy |
| Codeforces ID | ryo_issy |
| Affiliation | DeNA |
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This user has not competed in a rated contest yet.
3 Dan