1girl 2019 baseball_cap black_background blood blood_splatter brown_eyes brown_hair commentary english_text from_behind green_jacket grin hair_between_eyes hand_on_headwear hat hat_writing jacket looking_at_viewer looking_back meiko nail_polish off_shoulder portrait profile shaded_face short_hair smile solo song_name tachikaze tank_top vocaloid wristband yellow_nails