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Kameda isn't credited as KA in this episode, but it was confirmed that the first PV was solo animated by him. So all the "re-used" scenes from the PV are getting credited anyway.

Source: http://www.crunchyroll.com/anime-feature/2016/07/11/mob-psycho-100-creator-one-and-director-yuzuru-tachikawa-discuss-the-new-anime?utm_source=community&utm_medium=twitter&utm_campaign=mob-psycho-100

"Q: I thought I caught a lot of Kameda-isms in the teaser.

TACHIKAWA: That makes sense. He did all of that himself, after all."
Yumizu = Yuutaro Suzuki?
Ron said:
Yumizu = Yuutaro Suzuki?
Yes.