I was able to visit ARAI when it was open 10+ years back, then known as ARAI MOUNTAIN & SPA (if I remember correctly). I really liked the place, a spread out large mountain with excellent snow conditions and some really nice pots of powder to be found.
The facility lay quiet for a decade or so but last December re-opened after Lotte took over - and renamed it Lotte Arai Resort. Pretty exciting. I was stoked and really looking forward