Originally Posted by JieXY
The order I myself found some of the emblems (which require you to perform certain actions) was different from this guide. So my suggestion is that you find those emblems hidden in the Missions first, then perform certain moves as required by mission-specific achievements, or use only one weapon, or aim for a higher mission completion score. I hope this might help.
Same here, i got Kurowaka Yakuza after completing mission 3. Btw today the got the Shinobi emblem!