|Romaji Title||Harō Sekai|
|English Title||Hello, World|
|Airdate||September 20, 2014|
Hello, World (ハロー世界 Harō Sekai) is the twelfth episode of the anime series.
The group made up again and is working as hard as ever. Also, the concert of Shonen Hollywood is coming closer, they received their costumes for the concert and are now practicing as hard as they can for their very first live concert.