Japanese edit

For pronunciation and definitions of フワフワ – see the following entry.
ふわふわ
[adverb] softly (in the sense of gently and smoothly)
[adverb] fluffy, airy, light (like a pillow or foam)
[verb] be soft (in the sense of gently and smoothly)
[verb] be fluffy, airy, light (like a pillow or foam)
(This term, フワフワ, is the katakana spelling of the above term.)