Tonight is the Masked Ball.  At the strict Private Wooser Academy, the rules are relaxed just for today, and the boys put on masks and begin a battle royale to win the hearts of the girls they desire.  As Wooser advances forward, his arch-enemy Melon Bear appears... but if so, so what?
Congratulations on graduating, Len!
Glückwunsch zum Abschluss, Len!
Felicidades por tu graduación, Ren.
Felicidades por tu graduación, Ren.
Félicitations, Len !
Congratulazioni per il diploma, Len!
Parabéns em se formar, Len!