URLs

• https://www.pixiv.net/users/4302755
• https://www.pixiv.net/stacc/rakkaseibakudan
• https://twitter.com/kazumaichihara
• https://twitter.com/intent/user?user_id=548693773
• https://sketch.pixiv.net/@rakkaseibakudan
• http://privatter.net/u/kazumaichihara
• http://www.amazon.co.jp/s/field-author=市原%20和真&search-alias=books-jp
• http://www.doujinshi.org/browse/circle/69784/
• http://www.melonbooks.com/index.php?main_page=maker_info&makers_id=MK0000012264
• http://kazuma.mangalog.com