1boy, 2girls, breasts, cleavage, closed_mouth, coat, ermes_costello, facial_mark, gloria_costello, hands_on_another's_shoulder, holding, jojo_no_kimyou_na_bouken, kid_(kidocchi), large_breasts, long_hair, monochrome, multiple_girls, parted_lips, short_hair, siblings, sisters, sleeveless, sleeveless_sweater, sleeveless_turtleneck, smile, sports_max, stone_ocean, sweater, turtleneck