Yunn's Tea Comic Endcards! (Patreon)

The first one (uploading now on webtoons and tapas pages); second one to be uploaded after the shop launch on June 12th (that's in six days!!); and the last one, featuring a new character, to be uploaded for the foreseeable future with comic pages. Redbubble is thinking of doing some not so great things, however, so that might change to a Threadless store link.