Here is a list of trailers for 7 TV short animation series starting from this October 2015 in Japan.
Notice: Some of trailers are unsuitable for children under age of 18.
[All trailers and images are from official YouTube channels]
Website (Japanese): http://www.hikanukobinukaeriminuteiounitousouhanainodaaaaa.com
Original Story: Buronson / Tetsuo Hara / Yushi Kawata / Yukitoimouto / Yukito
Production company (Japanese): AJIADO Co., Ltd.