You will have more 'common' space at an OKW GV and 4 bathrooms. AK-K GV the 'common' space is split with between both floors. The other difference is both BR #2 and #3 have 2 Qs at AK and SSR, OKW has 2 double beds in #3 BR. OKW does NOT have elevators, on a few of the buildings.(60s) and 1 ground floor unit, (HA) so you need to go up stairs for the main floor.
Sizes are similar, decor obviously differs, and Kidani GV has an extra pull-out queen couch in the alcove at the top of the stairs. You can view walk throughs of the GV's on YouTube, e.g.:
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