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...!?
Come to think of it, 
why were we fighting, to begin with?
Ahora que lo pienso,
 ¿por qué empezamos a pelear?
Ahora que lo pienso,
 ¿por qué empezamos a pelear?
Pensando bem, por que nós estávamos 
lutando, para começo de conversa?