1boy, 1girl, d, arm_sling, black_shirt, blue_eyes, blue_jacket, blush, boku_no_kokoro_no_yabai_yatsu, breasts, brother_and_sister, brown_hair, chibi, cleavage, closed_eyes, grey_background, hair_over_one_eye, ichikawa_kana, ichikawa_kyoutarou, jacket, medium_breasts, ranceatack, shirt, siblings, smile, strap_slip, striped, striped_jacket, sweatdrop, thought_bubble