fuka-fuka
Deep, cushiony softness that you sink into — like a feather bed or thick carpet.
💡Lying on a new mattress — 'This bed is so fuka-fuka!'
このベッドはふかふかで気持ちいい。
This bed is fuka-fuka and feels great.
The hotel bed was so ___ I didn't want to get up.
ホテルのベッドが○○で起きたくなかった。