CC2 announces contest for diorama, clearfile a, and ChimChims by sharing hashtag with your fan created work. Prizes will only be shipped within Japan so look into fowarding services.

https://hackgul.bn-ent.net/nsw/fancontent/contest.php

REDACTION NOTICE Upon further reading the terms of the dothackofficial contest, they link to a campaign document from March 2021 which does state, must be a resident of Japan. So even if you have a forwarding service, people outside of Japan may NOT enter.

https://legal.bandainamcoent.co.jp/terms/campaign