aim for Edo Minato and/or Kushina (also Madara Ten-Tails is a future meta in China, so do your research and calculate how much time do you need), and yeah, save coupons, a lot of them! (wait for fuku deals if possible) Up to you, pal! Good luck!

oh yeah, and get Kazekage Gaara and skill break him, you are 90+ lv so you should be able to do it