Artist. Formerly tagged as usudaidai.
Japanese name: ヤイ (Yai)
The other names: ハチヒト (Hachihito), 81 (Yai), ャィ (yai) or ぱた郎 (Patarou)
Joint circle name: 大木先生
https://www.pixiv.net/users/14970007
https://www.pixiv.net/stacc/hachihito81
https://sketch.pixiv.net/@usudaidai
https://wwbmal.tumblr.com
http://privatter.net/u/WwbMal
https://www.pixiv.net/users/2449346
https://www.pixiv.net/stacc/usudaidai
https://twitter.com/WwbMall
https://twitter.com/wwbmal
https://twitter.com/intent/user?user_id=2412028111
https://twitter.com/intent/user?user_id=905704710362980352
http://twitpic.com/photos/hatihito
