1girl black_hair blue_archive brown_eyes collarbone collared_shirt commentary_request grin hair_intakes half-closed_eyes halo highres horns kasumi_(blue_archive) lab_coat long_hair looking_at_viewer monosenbei off_shoulder open_clothes parted_bangs red_shirt shirt short_eyebrows sleeves_past_fingers sleeves_past_wrists smile solo thick_eyebrows upper_body v-shaped_eyebrows white_background