It's not difficult to see the inspiration from both Japanese and Scandinavian styles in the home. This view of the kids' room especially has the custom built bunkbeds that easily harken to the minimalism of Japanese homes. Although in some areas of Japan, 95 square meters is more than anyone could dream of.
The Ultimate Custom Dollhouse Loft or Bunk bed, Trundle, Slide, Step Block Stairs w/ built-in storage are options! by DangerfieldWoodcraft on Etsy https://www.etsy.com/listing/292133433/the-ultimate-custom-dollhouse-loft-or
This is such a cool bed. Tons of room for storage and an extra bed for someone if needed. I love the stairs up to the top bed! If this was in my room I wouldn't be able to decide which bed to sleep on!