Short PV versions of both I am & Muah Muah have been uploaded on JStorm's website
https://www.j-storm.co.jp/heysayjump
In the PV for "I am," the members each portray "self-discovery," which is the theme of the song. Meanwhile, the members do a cute dance in the PV for "Muah Muah."
https://www.tokyohive.com/article/20...-a-side-single