For the one anon looking to get that icomochi FWMC tapestry, you can get it through booth. Same with the other items if you're interested. Get it quick though. Not sure how many they got left.
https://icomochi.booth.pm/items/7199627 (tapestry)
https://icomochi.booth.pm/items/7199666 (C106)
https://icomochi.booth.pm/items/7199687 (book by itself)
https://icomochi.booth.pm/items/7199656 (it's a JP XL shirt)