You will be crocheting the kimono in one piece, from the back bottom to the front bottom –

first, start at bottom of back panel for given # of rows,
next, work one front panel in a shorter width,
then, join yarn at shoulder to work 2nd front panel
last, seam sides together to create sleeves
finish with stitches around inner front edges and neck

Optional features: add finished trim or fringe to sleeve edges, and a chained yarn belt.