Rule 34 Dev - 1boy bare_shoulders black_shirt blue_hair blue_nails blush commentary hair_behind_ear hair_between_eyes hand_to_own_mouth hand_up highres kaito_(vocaloid) looking_ahead male_focus nail_polish nokuhashi parted_lips portrait profile shirt sleeveless sleeveless_shirt solo sweat sweatdrop symbol-only_commentary vocaloid|23426429715