Board Thread:Questions and Answers/@comment-27149722-20160730020448/@comment-28592066-20161003084526

PinkyTheSlime25 wrote: They did add a cat, im pretty sure it does ABSOLUTELY NOTHING.

The cat is needed for matchmaking Kokona -

1. You will need to take a photo of it and show it to Riku (that's his task).

2. If you walk to Kokona by him you will learn that she likes cats, which is a topic that Riku could then use for a positive remark.