Well, that makes sense... somewhat. We just got double "To be continued"-ed.
Spoiler tagging just in case?
Spoiler:
The blue dress Ayu we see in the first part of the video is actually from a year later when she comes back to wherever Shu-ya was and when she's walking out from the bus stop, she sees him.
But there's another "T o b e c o n t i n u e d..." afterward. If they do another one of these, I dunno if it's a good idea. I am okay with these sorts of PVs in small doses, like once every few releases. Continuing the summer love story thing is all too familiar and gives me heebiejeebies since it reminds me of the Mannie and Maro PVs and we all know how those ended up.
Oh, and she actually kisses Shu-ya in the rain. Whaaaaaaaa?