Sincere in invention! The universe's strongest tricksters! The adorable troublemakers are back! What kind of trouble will they stir up today? Albert, the genius inventor, and his followers, Makkah and Roni. Dr. Albert's lab is filled with exciting and extraordinary inventions. Makkah and Roni, the troublemakers, tamper with the inventions in Dr. Albert's absence... The hilarious story of the troublemakers, which will make you laugh until you cry, begins!