Artist, motorbike rider.
Japanese name: せおたく (Seotaku)
The other names: 旭光 (Kyokkou), 毒 (Doku) or インジェニエール (Ingenieur)
https://www.pixiv.net/users/2033643
https://www.pixiv.net/users/6482813
https://www.pixiv.net/stacc/tma17a
https://www.pixiv.net/stacc/tma17b
https://twitter.com/gukawa_ninja
https://twitter.com/raimu_kawasaki
https://twitter.com/intent/user?user_id=1590863029
https://twitter.com/intent/user?user_id=2872614696
https://sketch.pixiv.net/@tma17a
https://ask.fm/raimu_kawasaki
http://privatter.net/u/gukawa_ninja
https://twitter.com/sentaku_ika
