diff --git a/daos/thread.php b/daos/thread.php
index bf4b0fa..2eecbba 100644
--- a/daos/thread.php
+++ b/daos/thread.php
@@ -22,7 +22,7 @@ Thread
           LEFT OUTER JOIN
             responses AS r
             ON
-              r.threads_id = t.id
+              r.thread_id = t.id
         WHERE
           t.id <> 1
           -- AND t.deleted = 0
@@ -56,7 +56,28 @@ Thread
       int $id)
   : \Dto\Thread
   {
-    ;
+    // TODO: 書くこと
+
+    $sql = "
+        SELECT
+          t.id,
+          t.title,
+          t.explain,
+          MAX(r.date) AS latest
+        FROM
+          threads AS t
+          LEFT OUTER JOIN
+            responses AS r
+            ON
+              r.thread_id = t.id
+        WHERE
+          t.id = $id
+        GROUP BY
+          t.id
+        ORDER BY
+          latest DESC";
+
+    $result = $db -> query ($sql);
   }