The Shifu & Reika Character Pack Add-on for 100% Orange Juice has 7 achievements.
Play 10 games as Shifu
As Shifu, rack up ideal wins.
As Shifu, successfully cooperate with unlikely allies.
Play 10 games as Hoshino Reika
As Hoshino Reika, fail to collect stars.
As Hoshino Reika, set your mirror image straight.
Take the kitten for a walk 50 times.