I searched for this song for so long... A Big thanks to AnimationFan on DA for sending the song to me ^^
Drei is an old Irken and Zapp's tearcher in how to be a Technician. And he doesn't trust anyone, especially not a taller like Wiss who starts to date his apprentice. Here, drei gives him a piece of his mind about it
Song: Hey Mr. World (c) Big Fat Snake
Drei, Wiss, Zapp (c) Me/Ravenpuff Art (c) Me again