Developer/Publisher: 1756 Studio (1756スタジオ)
Game language: Japanese
Interface language: Japanese
Voiceover language: Japanese
Description: Once there was a long war between humans and devils. Seeing no end, a truce was negotiated. The grandmaster demon Dohga and the empress of humans Parena founded a new land, where both species lived together. Kei was the fruit of their union. The dark times had passed. But Dohga struggled inside, for he had forever been and was still devoted to world conquest. Kei "Nnnnnmmmm... I slept well. What to do today? Oh, that's right, Father wanted me to make an appearance." Kei set out in her usual carefree way. Today was another ordinary day of the unordinary.