1girl, altair_(reincarnation_of_the_suicidal_battle_god), armpit_focus, armpits, arms_behind_head, black_dress, blush, breasts, brown_hair, closed_mouth, dress, embarrassed, green_eyes, grey_background, hanging_breasts, medium_breasts, medium_hair, out_type_(outtypeex), reincarnation_of_the_suicidal_battle_god, solo, sweat, upper_body