The Flower of Happiness theme for the "good Ending".
When Laharl is reunited with his mother.
Following the reunion, Laharl finally calls Flonne by her name, and this is after he spent half the game calling Flonne you or Love Freak.
When Kurtis sacrifices his life to free Jennifer from Carter's mind control and stop her from blowing up the heroes, Laharl commands "Heed my words, Death. I command you in the name of King Laharl. Lead the soul of Kurtis, Defender of Earth, to his family's side.