Illustration books like "Colorful and Fantastic" influenced Hazel Nuts Chocolate (also known has Henachoco and since 2009 become : HNC), formed in 2000 was a project created by YUPPA (ゆっぱちゃん = Yuppa Chan). They act with an original vision of the world and collaborate with many artists according to their requirements. YUPPA, cute girl and main member of the group, takes care of composition, lyrics, vocals, programming, concept design, and artwork, etc. Read more on Last.fm