A modern Japanese office worker suddenly dies and finds himself reincarnated into a game world... as the ugly, pushover son of a villain, Klaus Muller! Realizing that if he plays out the game as it is in the original, he will be condemned and executed by the hero, he begins to take action to avoid the catastrophic ending. Klaus puts in a lot of effort and gains the trust of those around him, including the heroine and his family. In the midst of all this, he unintentionally makes a big impact and attracts attention...!?