I love the AKB PV's with epic storylines (Sakura no Hanabiratachi 2008, 10nen Zakura, even Keibetsu Shiteita Aijou to some extent)
Compared to those heavy hitters (one of which almost makes me cry every time), this is decent. I'm looking forward to the full drama version so I have some more background and it has a bit more of an oomph.
Making "spoilers" tiny:
Also, Yuko's daughter is SO EFFING CUTE
EDIT: I just rewatched it and it's more powerful the second time.
Especially noticing that in the first group shot in the chairs under the tree, there is an empty chair.
Then, after they've made Jurina part of the "eternal sakura tree" (I think that's what the lyrics say...), they go to another group shot and Jurina is now sitting in the empty chair ;_;