If you can't get Tabby's Treasure in Treasure Tail: Zoshigaya and got stuck as a result:
Click on the [Submit a request] button, then choose [Game Progress/Operation] from the list of inquiries. Next, enter your player information alongside the following text:
| I'm stuck in Treasure Tail: Zoshigaya because I can't get the treasure near the trash can. |
Once you do, we will contact you shortly after confirming your inquiry.