633B+ is an illustrator who sometimes illustrated for other producers' videos. They often drew various UTAU characters, in particular Sekka Yufu.
Works[]
| Links | Title | Vocalists | Date | Roles |
|---|---|---|---|---|
| "- moonlight waltz - Tsukiyo no Butoufu" (- moonlight waltz - 月夜の舞踏譜) | Namine Ritsu and Kasane Teto | Apr 27, 2013 | illustration | |
| "Bad loser" | Amaga Elu | Nov 30, 2014 | illustration | |
| "CALLING" | Momone Momo | Nov 11, 2016 | illustration | |
| "Dare?" (だれ？) | Sekka Yufu | Jun 23, 2013 | illustration | |
| "Little White Fairy" | Sekka Yufu | Jan 9, 2013 | illustration | |
| "Pastel" (ぱすてる) | Sekka Yufu | Apr 20, 2013 | illustration | |
| "Toiki Yukiiro" (吐息雪色) | Sekka Yufu | Mar 9, 2013 | illustration, video |
