"postprocessor":
    {
        "exiftool-pixiv":
        {
            "name"   : "exec",
            "async"  : false,
            "command": ["exiftool", "-P", "-m", "-title={title:?//}", "-xpcomment={total_bookmarks} Bookmarks{caption:? | //}", "-
            createdate={date}", "-overwrite_original", "{_path[4:]}"],
            "event"  : "after"
        }
    }