They were both released in creations music format. The characters are not as popular music videos unless the opinion is that time flow of the society with easy-to-view format. Actors don't need to be famous. This group of artists to create the in quick time.
They originally came in the form of music that is popular music videos that unless a society at a time. With a simple look Actors do not need to be famous. And viewers can post comments immediately. It allows artists to create in a short time.
They create out both in the form of music drama that was popular, music videos, except the opinion that current society at that time. With a view to easy, actor famous.Therefore, this group of artists create in a short time.