For the answers...just say what'd make him happiest? I believe this Hanzo is the one that is based towards peace and his village's quality, I guess. Actually, now that I think about it, there's a post that someone made a looong time ago that has all the things you should be looking for, gimme a minute and I should be able to get it for you

(Note-Hanzo's missions give 2 frags as opposed to the usual 5)

Edit-https://forum-narutoen.oasgames.com/page/show-post-17108-1.html

That should be it, click on the underlined parts to lead you to places where you need to find stuff (Hidden Mist for Hanzo, I guess, the have the question then Answer below that in that part of it. The Hanzo gift thingy is on table 1, Credit to Icebuken for putting this together)