This is a Red Quest featured on Professor Layton's London Life.
 How To Solve the Quest
Speak to Deke who is outside Golden Spires Casino
Walk Through Gressenheller University
Walk through the room on the far left
Enter the door that is far left
Carry the strange wing and speak to Avogadro.
Make your way back to the casino and speak to Deke again.
204 happiness = Child at Heart
187 happiness = Winning Smile
170 happiness = Everyone other than above