Artist. Likes Serio, Komaki Manaka and train personification.
Japanese name: 流瀬 剛 (Nagase Takeshi)
Circle & site name: SERIO-A (セリオ・アー)
https://www.pixiv.net/users/1592442
https://www.pixiv.net/stacc/s_a_nagase
https://twitter.com/hmx13_nagase
https://twitter.com/s_a_nagase
https://twitter.com/intent/user?user_id=1515102726715482114
https://twitter.com/intent/user?user_id=1641881724220211200
https://p7g9t6w2.fanbox.cc
https://www.pixiv.net/fanbox/creator/1592442
https://sketch.pixiv.net/@s_a_nagase
https://www.tinami.com/creator/profile/26533
https://portal.circle.ms/Circle/Index/10014691
https://www.dlsite.com/home/circle/profile/=/maker_id/RG27118.html
https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG27118.html
https://www.pixiv.net/stacc/sayleen
https://twitter.com/intent/user?user_id=216532893
http://c10009871.circle.ms/oc/CircleProfile.aspx
http://c10038372.circle.ms/oc/CircleProfile.aspx
