Katsuhiko Sugiy.. 작사·작곡
Katsuhiko Sugiy.. is credited (lyricist & composer) on 2 songs here; 1 have karaoke numbers. Credits come from TJ Media chart listings, so only karaoke-charting songs appear.
| Song · Artist | Numbers (tap to copy) | Year |
|---|---|---|
| Bom, Yeoreum, Gaeul, GyeoulJeon Won-woo · lyricist·composer | — | |
| The Little NameAdora · lyricist·composer | — |