What is the content that does not belong to Johnny’s idol generation mechanism?

Solo debut, one-time selection, weakened image, diversified talents.

1. Solo debut: The idols of Johnny & Associates debut as a group, not as individuals.

2. One-time selection: The selection by Johnny & Associates is ongoing, not one-time.

3. Weaken the image: The idols of Johnny & Associates should focus on the consistency of image and style rather than weakening the image.

4. Diverse talents: Johnny & Associates idols do not need to have diverse talents, as long as they are outstanding in the field of music or acting.