A free program for Android, by NomnomNami.
An angel and a demon are summoned to the world of light and darkness, and they find themselves in an eternal love battle.
In this visual novel, there are no characters or endings that differ from the others. You can also find a brief story at the end of each chapter. The story is not long, and the entire plot is not complicated. The plot is very simple, but it is not boring.
The most interesting part of the story is the love battle between the angel and the demon. The love battle is very exciting, and it is not simple.