Cat on the Threshold
Uncertainty of gray, you hover half-in, half-out,
fearful of the trap, of no-way-out,
eager to explore each mysterious corner,
each furniture cave and ledge.
Curiosity never killed in this house,
though it’s been known to get one shooed.
Stephen Brooke ©2013
It's not exactly a sijo but it's sort of in the shape of one.