Rule 34 Dev - 2boys aqua_eyes aqua_hair black_hair black_kimono blue_kimono brothers closed_mouth gradient_hair hana_ni_nare highres japanese_clothes kimetsu_no_yaiba kimono lantern long_hair long_sleeves male_focus multicolored_hair multiple_boys open_mouth paper_lantern siblings sky_lantern smile tokitou_muichirou twins two-tone_hair|23693169708