Morning Musume & S/mileage will appear on Music Japan

Like the title the 2 H!P Groups will appear on Music Japan. And from SayuNii's Sources... This will be S/mileage's debut on Music Japan.

Picture Source (Morning Musume): Hello SayuNii 

Not much has been revealed... though most likely Morning Musume will perform their 43rd single "Seishun Collection" and S/mileage "Yume Miru 15"

The taping of their performance will be on May 17.

Source: Hello!SayuNii