Artist, illustrator.
Japanese name: 内藤 コウセ (Naitou Kouse)
Other names: EK4, 内藤
Circle name: 内藤理髪店
Old site name: HOBBY HEARTS
https://www.pixiv.net/users/10835
https://www.pixiv.net/stacc/ek9vtec
https://twitter.com/NAITO___KOSE
https://twitter.com/intent/user?user_id=83091592
https://seiga.nicovideo.jp/user/illust/743024
https://www.nicovideo.jp/user/743024
https://barcnn42.fanbox.cc
https://www.pixiv.net/fanbox/creator/10835
https://sketch.pixiv.net/@ek9vtec
https://skeb.jp/@NAITO___KOSE
https://www.tinami.com/creator/profile/5228
https://portal.circle.ms/Circle/Index/10017804
https://bsky.app/profile/naitokose.bsky.social
https://bsky.app/profile/did:plc:eedk2ktr5ibdhzzkwpzurows
https://twitter.com/NAITO__KOSE
https://skeb.jp/@NAITO__KOSE
http://c10017804.circle.ms/oc/CircleProfile.aspx
http://c10033751.circle.ms/oc/CircleProfile.aspx
http://www.geocities.co.jp/Playtown-King/4677
http://www.geocities.jp/ek9vtecsir
http://p.twipple.jp/user/NAITO__KOSE
http://twitpic.com/photos/NAITO__KOSE
