2018 animal_humanoid bioluminescence bottomless cecaelia cephalopod cephalopod_humanoid clothed clothing digital_drawing_(artwork) digital_media_(artwork) dress ear_frills end_roll female frill front_view frown glowing green_eyes grey_hair hair hi_res humanoid light_skin lighting long_hair looking_at_viewer looking_down marine memory_girl merfolk metarujigu multicolored_skin red_skin scarf solo suspended_in_midair tan_skin tentacle_arms tentacles two_tone_skin video_games