Actually, I did not know that I could make multiple selections, but I was doing one by one and releasing the soul boost booth panel one by one. I was wondering what this troublesome system was, but in fact, multiple selections are possible. You can release the boost panel by tapping once to select and specifying all at once.
It's even better for those who know it, but I may leave it in the article because there may be the same person in the future.