Go-eun Ma's family's ghost house is being shut down, and she is determined to save it. She goes to Ghost Jack's House in hopes of winning, and claiming the billion dollar prize.
American Ghost Jack, or Jack, the American Ghost has had a voiced animation. You can view it here, though it is not subtitled in any language. You will have to read the translated version of the manhwa to understand what they are saying, unless you understand Korean.
If you would like to become an affiliate of the American Ghost Jack, or Jack, the American Ghost Wiki, please contact Ririkka/Liu!