Himitsukessha Taka no Tsume × Glass no Kamen Desu ga
秘密結社鷹の爪×ガラスの仮面ですが
★ 3,9ONA1 episodioFinalizadoInvierno 2013
Sinopsis
A collaboration episode between Himitsukessha Taka no Tsume and Glass no Kamen Desu ga meant to promote the latter's official TV anime launch as well as the former's 4th season launch.