Artist, mangaka.
Japanese name: 一概 (reading is given as Ichigai)
Name used as a signature: ICHIGAIN
Old name: やまだ一概 (Yamada Ichigai)
Circle & site name: イヤリング爆弾工場 (イヤリングボムファクトリー, EARRINGS BOM FACTORY)
https://www.pixiv.net/users/1077232
https://www.pixiv.net/stacc/ichigain
https://twitter.com/ICHIGAIN_CM
https://twitter.com/ichigain880
https://twitter.com/intent/user?user_id=238886711
https://twitter.com/intent/user?user_id=1283872068115656704
https://ichigainbom.booth.pm
https://nijie.info/members.php?id=45270
https://pawoo.net/@ichigain880
https://sketch.pixiv.net/@ichigain
https://skeb.jp/@ichigain880
https://ask.fm/ichigain880
http://ichigain.blog.fc2.com
http://privatter.net/u/ichigain880
http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG32073.html
https://www.melonbooks.co.jp/circle/index.php?circle_id=29027
https://ec.toranoana.jp/tora_r/ec/cot/circle/2UPAFE6Q877LdE60d687/all/
https://bsky.app/profile/ichigain880.bsky.social
https://bsky.app/profile/did:plc:vfna2xzukjpf3ci4q5n7fdft
https://www.dmm.co.jp/dc/doujin/-/list/=/article=maker/id=75271/
https://note.com/ichigains
https://8803net.wixsite.com/gallery
https://www.pixiv.net/stacc/hayawossan
https://pawoo.net/web/accounts/187661
https://sketch.pixiv.net/@hayawossan
https://icgbox.tumblr.com
https://leonabom.tumblr.com
http://www.dlsite.com/ecchi-eng/circle/profile/=/maker_id/RG32073.html
http://p.twipple.jp/user/ichigain880
http://twitpic.com/photos/ichigain880
http://twitpic.com/photos/ichigay880
http://yfrog.com/user/ichigain880/photos
The following tags are aliased to this tag: ichigai_(hayawossan) (learn more).