The most common and most likely answer to this crossword clue is the 4 letter word HARI
H
A
R
I
More clues leading to the result HARI
Buddy explains!
The straight part
We know that "Gutsy display in Japan?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case gutsy display in japan? = hari.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.