Rule 34 Dev - 00s 1boy 2girls ahoge cat child crossover dafei kogami_akira konno_hiromi lab_coat lucky_star multiple_girls nichijou professor_shinonome sakamoto_(nichijou) school_uniform serafuku shiraishi_minoru shiraishi_minoru_(voice_actor) tokisadame_school_uniform voice_actor_connection|2554576011