1boy, 2girls, ass, bare_shoulders, bocchi_the_rock!, father_and_daughter, from_behind, gotoh_hitori, gotoh_michiyo, gotoh_naoki, hair_bun, hews, leotard, looking_at_viewer, mature_female, monochrome, mother_and_daughter, multiple_girls, open_mouth, single_hair_bun, sketch, smile, solo_focus, standing, unfinished