Rule 34 Dev - 00s 2boys bad_id bad_pixiv_id black_hair blush border closed_eyes crossdressing desk furu_(retr0e) glasses gradient_background heart itoshiki_nozomu japanese_clothes kimono kudou_jun male_focus monochrome multiple_boys open_clothes sayonara_zetsubou_sensei school_uniform serafuku short_hair sitting skirt thighhighs yaoi|6237989199