The first - and in most cases the only - step is to download all your transaction data from Paribu and import them into Koinly. There are a few ways you can do this:
If you want to import CSV files, you have to make sure to import your deposits/withdrawals and trades for ALL years and not just the current one!
That's it. The only other thing to keep in mind is to tag your airdrops/forks so they appear as Income on your generated cryptocurrency tax forms!