Valkyria Revolution and Blue Reflection: Maboroshi Ni Mau Shoujo no Ken released two illustrations crossover dedicated to the gamers.
For the uninitiated crossover is a cross-gender term, so if a character in the game is the man, then the illustrations created characters is a female character.
Results of the picture is the work of Mel Kishida who draw protagonist of Valkyria Revolution that Princess Ophelia and Hiro Kiyohara draw Blue Reflection's Hinako.

So that the image looks more attractive and really ditujukkan for his fans then made the picture both in the bath in an onsen (Japanese hot spring bath) which was then a touch that makes it look sexy.
Valkyria Revolution is currently available in Japan for the PlayStation 4 and PlayStation Vita, while outside Japan will be released in the spring of 2017, plus will also be present on the Xbox One.
Blue Reflection: Maboroshi Ni Mau Shoujo no Ken will be released in Japan for the PlayStation 4 and PlayStation Vita on March 30, 2017, while outside Japan is still reportedly more when it will be released.