Responses
These revolve around tattoos more
http://www.mangago.zone/read-manga/brother_auto_spot/
http://www.mangago.zone/read-manga/utsukushii_karada/
These include characters with tattoos ヾ(☆▽☆)
http://www.mangago.zone/read-manga/chou_to_hana_no_kankeisei/
http://www.mangago.zone/read-manga/usagi_otoko_tora_otoko/
http://www.mangago.zone/read-manga/yondaime_ooyamato_tatsuyuki/
http://www.mangago.zone/read-manga/nights_before_night/
http://www.mangago.zone/read-manga/if_you_treat_me_nice_we_can_do_it/
http://www.mangago.zone/read-manga/gokudou_darling/
http://www.mangago.zone/read-manga/kobi_no_kyoujin/ (And all the other related series)
any manga (no webtoons) where the characters have tattoos or the plot is revolved around tattoos? lol probably doesn't make sense but yeah