Artist, eromangaka. Formerly tagged as oldweapon.
Japanese name: 古代兵器 or こだいへいき (Kodai Heiki)
Circle name: おーるどうぇぽん (Old Weapon)
Site name: 低スペック竹槍
https://twitter.com/to_coda
https://twitter.com/intent/user?user_id=1059874898
https://nijie.info/members.php?id=1487
http://rsslink.web.fc2.com
https://www.pixiv.net/users/1616450
https://www.pixiv.net/users/9311922
https://www.pixiv.net/users/9650203
https://www.pixiv.net/stacc/oldweapon
http://kodaiweapon.blog.fc2.com
http://doujinshi.mugimugi.org/browse/circle/37911/Old-Weapon
http://twitpic.com/photos/to_coda