Artist and indie virtual youtuber.
Illustrator for Kino no Tabi, Summon Night, etc. A long-time collaborator of light novelist Sigsawa Keiichi.
Also well-known for interests in Lovecraftian horror after designing several Foreigner-class servants for Fate/Grand Order. As such, he often featured Lovecraftian motif into his latter character design, most notably Ninomae Ina'nis.
Japanese name: 黒星紅白 (Kuroboshi Kouhaku)
Other name: 飯塚 武史 (Iizuka Takeshi)
- Roroboshi-chan - his vtuber avatar