2girls, bikini, bikini_top_only, breasts, cleavage, clothes_lift, copyright_name, detached_sleeves, greyscale, gridman_universe, hair_behind_ear, hand_in_own_hair, high_heels, holding_hands, long_hair, medium_breasts, monochrome, multiple_girls, ochishima, open_mouth, shinjou_akane, short_hair, short_sleeves, skirt, skirt_lift, smile, ssss.gridman, swimsuit, takarada_rikka, tiara, toes