Here is a list of trailers for 9 TV animations starting from this October 2015 in Japan. This list covers sequels starting in this autumn and each episode is about 30 minutes long.
Notice: Some of trailers are unsuitable for children under age of 18.
[All trailers and images are from official YouTube channels]
Website (Japanese): http://k-project-come-back.jpn.com
Director: Shingo Suzuki
Production company: GoHands
<Last updated: 22th October 2015>