Artist. Has two main names. On her pixiv profile pages, she wrote her opinion about re-uploading her images.

• Name (1): niduca (reading is given as にづか, Nizuka)
• The other names: "efy" or にづきち (Nidukichi or Nizukichi)
• Profile page: http://twpf.jp/niduca
• Tumblr portfolio: http://niducaca.tumblr.com/
• Pixiv account: http://www.pixiv.net/member.php?id=564025
• Tinami account: http://www.tinami.com/creator/profile/29800
• Piapro account: http://piapro.jp/niduca
• Drawr account: http://drawr.net/pm_love
• Privatter account (1): http://privatter.net/u/niduca
• Privatter account (2): http://privatter.net/u/nidu_1d
• Twitter account (1): http://twitter.com/niduca
• Twitter account (2): http://twitter.com/nidukichi
• Twitter account (3) (stopped): http://twitter.com/nidu_1d
• Twitpic account (stopped): http://twitpic.com/photos/niduca
• Booth web store: http://niduca.booth.pm/

• Name (2): 桧生 とうげ (reading is given as Hio Touge)
• The other name: とうげ (Touge)
• Profile page: http://twpf.jp/hio_touge
• Pixiv account: http://www.pixiv.net/member.php?id=13549196
• Privatter account: http://privatter.net/u/hio_touge
• Twitter account (1): http://twitter.com/hio_touge
• Twitter account (2): http://twitter.com/touge_ad
• Ask.fm account: http://ask.fm/hiotouge