I haven't picked one yet, but I'm considering Onion Sword III because who knows? Maybe a slashing option would be useful somehow. Dragon Fangs and Premium Heart don't seem good enough for a PREMA pup to grab.
Both the H2H are Monk weapons (to the extent they're even useful for MNK) with random stats thrown on to show that SE noticed PUP is also on them. Top PUP pick for Bonanza is Miracle Cheer so you can easily gear BRD for fights where PUP isn't useful.
I haven't picked one yet, but I'm considering Onion Sword III because who knows? Maybe a slashing option would be useful somehow. Dragon Fangs and Premium Heart don't seem good enough for a PREMA pup to grab.