Rule 34 Dev - 1boy 1girl asada_hachi bow bowtie brother_and_sister brown_eyes closed_mouth gakuran kousaka_tamaki kousaka_yuuji long_hair looking_at_viewer pink_bow pink_neckwear red_hair red_sailor_collar sailor_collar school_uniform serafuku short_hair siblings smile to_heart to_heart_(series) to_heart_2 two_side_up upper_body|12419649801