Rule 34 Dev - 00s 2009 2boys 2girls bad_id bad_pixiv_id crossover dual_persona flower frederica_bernkastel furude_rika higurashi_no_naku_koro_ni lily_(flower) maebara_keiichi maroyan multiple_boys multiple_girls new_year spider_lily umineko_no_naku_koro_ni ushiromiya_battler|906546069