Artist. Formerly tagged as atom (artist).
Artist name: @tom (reading is given as アトム, Atom)
https://www.pixiv.net/users/888629
https://www.pixiv.net/stacc/atom0120
https://twitter.com/atoooooooooom
https://twitter.com/intent/user?user_id=142727346
https://sketch.pixiv.net/@atom0120
https://www.tinami.com/creator/profile/34736
http://photozou.jp/photo/top/706541
http://theinterviews.jp/atoooooooooom
http://p.twipple.jp/user/atoooooooooom