1other :d androgynous bare_arms barefoot crystal_hair dress gakarico hand_on_another's_head hand_on_head houseki_no_kuni kongou_sensei long_sleeves open_mouth out_of_frame petting protected_link red_diamond_(houseki_no_kuni) red_eyes red_hair seiza short_sleeves simple_background sitting smile solo_focus white_dress wide_sleeves