Artist. Formerly tagged as sion_kozi.
Japanese name: 小次郎 (Kojirou)
The other name: 太郎 (Kotarou)
Circle & site name: しおん! (the artist always uses this spelling: "SION!") (the other member: 連紅)
https://www.pixiv.net/users/216063
https://www.pixiv.net/stacc/koziro_sig
http://www.nicovideo.jp/mylist/32391209
https://seiga.nicovideo.jp/user/illust/26233888
https://www.nicovideo.jp/user/26233888
https://pawoo.net/@koziro_
https://pawoo.net/web/accounts/81007
https://sketch.pixiv.net/@koziro_sig
http://c10016568.circle.ms/oc/CircleProfile.aspx
http://c10209380.circle.ms/oc/CircleProfile.aspx
https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG02824.html
https://www.pixiv.net/stacc/sion_kozi
https://twitter.com/koziro_sig
https://twitter.com/koziro_sion
https://twitter.com/intent/user?user_id=1279021975
https://evnv36eu.fanbox.cc
http://twitpic.com/photos/koziro_sion
http://twitpic.com/photos/sion_kozi
