Renars here from Excelify.
Sorry about replying in English here.
Thank you for suggesting Excelify for this task.
I think I got lost a bit in translation with the actual issue, but if it requires to bulk edit or manage your Shopify store data, then you should be able to do that with Excelify!
Please reach out to Excelify support directly so we can together find the best solution for you!
You can also look into the Excelify Japanese website for details on how the app works and reach out to Excelify Japanese support (currently on holiday till January 4).