HuneX released the PlayStation Vita version Otome Riron to Sono Shuuhen -Bon Voyage- Visual Novel game in Japan on November 24, 2016.
The game will be the continue and the official port version of the Otome Riron to Sono Shuuhen -Ecole de Paris PC VN game from 2014.

HuneX today released the DEMO version of the new Vita game in the Japan PSN what you can download for free. You can play with the first chapters with the demo but you can’t move the save data file to the final version.
The DEMO can be found in here: https://store.playstation.com/#!/ja-jp/cid=JP0746-PCSG90246_00-OTSURIROTRIAL000