| Handle Name | Watasan or U-zan |
| Place of Birth | Kawachi area in Osaka |
| Year of Birth | 1961 |
| My Living Place | A Little island on the Shimanami sea way |
| My Hobbies | Singing, Playing instruments and Composing music |
| Instruments | Piano, Guitar, Shakuhachi, but singing best |
| History of PC | Commence in my student days |
| Foundation of HP | 1997 |
| Believing | Christianity |