There were a couple of FMVs of early-ish TWICE songs which YouTube is no longer putting in my suggestions, and I can't remember what the songs were. Two of them featured footage of TWICE by the pool. Sana in sunglasses walking away (I think), Tzuyu with a baseball cap, Momo getting out of the pool, and Chaeyoung as above.
I think one of them opened with all of them (but mostly Nayeon) in whole room full of baseball caps on shelves, and then part of the footage had Nayeon in a cap lip-synced to the first word in the song, but this might be a different video. There was also Pocari Sweat footage in one of them.
I haven't seen any other FMVs with this specific pool footage. Thanks for your help!
by fludeball