第12話: 廃墟の洋館で噂の怪物を調査するミカ
2016年12月26日 放送
Mika heard the rumor that "monster comes out" and came to the Western-style building in the outskirts. And Mika confined in a hall that should be unattended will start exploring the hall. At last it met a pure blue monster, she muttered gladly. (Source: Ao Oni Wiki)