1girl, bikini, blush, breasts, hair_between_eyes, hair_bun, hugimosi, large_breasts, looking_at_viewer, mature_female, navel, open_mouth, orange_hair, purple_bikini, red_eyes, sidelocks, simple_background, single_hair_bun, sitting, solo, stomach, swimsuit, towel, towel_around_neck, yahari_ore_no_seishun_lovecome_wa_machigatteiru., yuigahama_yui's_mother