一二三 in Japanese is read as
ichi ni san to mean,
one two three.
But it can also be read as
hifumi. What does
From http://quest-for-japan.com/others/one-to-ten-in-japanese-2/ , it says it could be a name.
There are also manga characters which abbreviated to
hi-fu-mi too (http://change-123.wikia.com/wiki/HiFuMi)
But what does
hifumi actually mean? Where does it come from?