One night, Keima is in his room when he picks up a certain game.  On the cover is a very poorly drawn heroine, Yotsuba.
Will this game change the world as Keima knows it?──
Keima Katsuragi, the god who has won the hearts of many girls.  Will he finally see his ideal ending...!?
Once, we were united under one cause...
Una vez estuvimos unidos 
por la misma causa...
Una vez estuvimos unidos 
por la misma causa...
Um dia, éramos unidos por uma só causa...