HuneX released the DEMO version of the Tokeijikake no Ley Line -Kagerou ni Samayou Majo- PlayStation Vita Visual Novel game in the Japan PSN. This game will be available from April 27, 2017 as the special collection of all the 3 PC game from 2012, 2013 and 2015.
In the demo version you can try the first chapters where the new character Sigma appears but you can’t move the save data file to the final version of the game. On the official website you can also find the final version pre-order gift illustrations.
So, if you are interested in the game, you can find the DEMO in here: https://store.playstation.com/#!/ja-jp/cid=JP0746-PCSG90271_00-LEYLINETRIAL0000