URLs

• https://www.pixiv.net/users/698864
• https://www.pixiv.net/stacc/gakai
• https://twitter.com/saigakai
• https://twitter.com/intent/user?user_id=110481150
• https://sketch.pixiv.net/@gakai
• https://www.tinami.com/creator/profile/4592
• https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG02425.html
• https://www5d.biglobe.ne.jp/~gakai
• http://gakaiblog.at.webry.info
• http://k-after.at.webry.info