1boy, 1girl, ;d, arm_up, armpits, ass_visible_through_thighs, bad_pixiv_id, bare_arms, bare_legs, blue_eyes, blue_one-piece_swimsuit, blush, boku_no_kokoro_no_yabai_yatsu, breasts, breasts_apart, brother_and_sister, brown_hair, can, collarbone, competition_school_swimsuit, contrapposto, covered_navel, feet_out_of_frame, hair_behind_ear, hair_over_one_eye, hand_on_own_hip, head_tilt, holding, holding_can, ichikawa_kana, ichikawa_kyoutarou, impossible_clothes, impossible_swimsuit, lifted_by_self, looking_at_viewer, medium_breasts, motion_lines, one-piece_swimsuit, one_eye_closed, school_swimsuit, short_hair, showhey!!, siblings, simple_background, skin_tight, smile, solo_focus, straight_hair, strap_lift, swept_bangs, swimsuit, taut_clothes, taut_swimsuit, teeth, thighs, trembling, upper_teeth_only, v-shaped_eyebrows, white_background