Since I've been cooking this past few weeks, I noticed that 1 of the biggest burdens is having a lot of available weight, especially when you are mass cooking.

What I would suggest, is to have a similar function to the Venacil/Karki costume, where processing can directly access the materials in the storage. We can have this feature available for all or included in the cooking outfit. This will let players access the ingredients in their storage in that city directly from their cooking tools.

Additionally, this process/cook from storage, would also be nice if made available when using the rented storage box. It will lessen the crowd in the storage NPC, at the same time really maximize the storage box's use.

Any other players have a related suggestion?

i won't suggest anything that includes gameplay affecting item in cash shop.

It can be added to an existing cash shop item like the Canape clothes, since a similar function is available for the Venecil/Karki costume.

Or it can be a feature of a new cooking tool, so no need to buy from Pearl Shop.

Can freely arrange items in storage like how we can arrange items in the inventory would also be nice so we can organize our storage freely. 

This is related, but a different function altogether. Would be nice to be able to arrange it how you want to access it. I know these are just simple suggestions but it does have a huge convenience impact.