Trending Bortz Houseki No Kuni Characters Houseki no kuni (land of the lustrous) is the recent work of haruko ichikawa, who presents us with an utopic vision of the future of the earth. Bortz Houseki No Kuni Characters / Lapis lazuli, cinnabar, antarcticite, phosphophyllite, diamond, rutile, and bortz, art by ekita kuro.