You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <allimages>
      <img name="Map_to_the_Sakura_Tree.png" timestamp="2022-06-20T00:37:37Z" user="Merik2013" url="http://cache.sesshou.com/megaten/7/7f/Map_to_the_Sakura_Tree.png" descriptionurl="http://megaten.sesshou.com/wiki/index.php/File:Map_to_the_Sakura_Tree.png" ns="6" title="File:Map to the Sakura Tree.png" />
      <img name="Map_to_the_Sakura_Tree_Revised.png" timestamp="2022-06-20T00:24:21Z" user="Merik2013" url="http://cache.sesshou.com/megaten/7/7a/Map_to_the_Sakura_Tree_Revised.png" descriptionurl="http://megaten.sesshou.com/wiki/index.php/File:Map_to_the_Sakura_Tree_Revised.png" ns="6" title="File:Map to the Sakura Tree Revised.png" />
      <img name="Zoushigaya_Cemetery_Maze_C_Map.png" timestamp="2022-06-19T23:43:45Z" user="Merik2013" url="http://cache.sesshou.com/megaten/f/f2/Zoushigaya_Cemetery_Maze_C_Map.png" descriptionurl="http://megaten.sesshou.com/wiki/index.php/File:Zoushigaya_Cemetery_Maze_C_Map.png" ns="6" title="File:Zoushigaya Cemetery Maze C Map.png" />
      <img name="Zoushigaya_Cemetery_Maze_A_Map.png" timestamp="2022-06-19T23:43:45Z" user="Merik2013" url="http://cache.sesshou.com/megaten/8/8a/Zoushigaya_Cemetery_Maze_A_Map.png" descriptionurl="http://megaten.sesshou.com/wiki/index.php/File:Zoushigaya_Cemetery_Maze_A_Map.png" ns="6" title="File:Zoushigaya Cemetery Maze A Map.png" />
      <img name="Zoushigaya_Cemetery_Maze_B_Map.png" timestamp="2022-06-19T23:43:45Z" user="Merik2013" url="http://cache.sesshou.com/megaten/3/38/Zoushigaya_Cemetery_Maze_B_Map.png" descriptionurl="http://megaten.sesshou.com/wiki/index.php/File:Zoushigaya_Cemetery_Maze_B_Map.png" ns="6" title="File:Zoushigaya Cemetery Maze B Map.png" />
      <img name="Grid_Map_of_Zoushigaya_Cemetery.png" timestamp="2022-06-19T23:43:45Z" user="Merik2013" url="http://cache.sesshou.com/megaten/2/2d/Grid_Map_of_Zoushigaya_Cemetery.png" descriptionurl="http://megaten.sesshou.com/wiki/index.php/File:Grid_Map_of_Zoushigaya_Cemetery.png" ns="6" title="File:Grid Map of Zoushigaya Cemetery.png" />
      <img name="Detailed_Map_of_Zoushigaya_Cemetery.png" timestamp="2022-06-19T23:43:43Z" user="Merik2013" url="http://cache.sesshou.com/megaten/b/b0/Detailed_Map_of_Zoushigaya_Cemetery.png" descriptionurl="http://megaten.sesshou.com/wiki/index.php/File:Detailed_Map_of_Zoushigaya_Cemetery.png" ns="6" title="File:Detailed Map of Zoushigaya Cemetery.png" />
      <img name="TROJAN.DD.SLIME_Slime.jpg" timestamp="2022-06-19T23:36:24Z" user="Rayerra" url="http://cache.sesshou.com/megaten/c/cb/TROJAN.DD.SLIME_Slime.jpg" descriptionurl="http://megaten.sesshou.com/wiki/index.php/File:TROJAN.DD.SLIME_Slime.jpg" ns="6" title="File:TROJAN.DD.SLIME Slime.jpg" />
      <img name="C64.BLOB@dd_Blob.jpg" timestamp="2022-06-19T23:36:24Z" user="Rayerra" url="http://cache.sesshou.com/megaten/5/58/C64.BLOB%40dd_Blob.jpg" descriptionurl="http://megaten.sesshou.com/wiki/index.php/File:C64.BLOB@dd_Blob.jpg" ns="6" title="File:C64.BLOB@dd Blob.jpg" />
      <img name="C64.BLOB@dd_Blob_(Big).jpg" timestamp="2022-06-19T23:36:23Z" user="Rayerra" url="http://cache.sesshou.com/megaten/3/3c/C64.BLOB%40dd_Blob_%28Big%29.jpg" descriptionurl="http://megaten.sesshou.com/wiki/index.php/File:C64.BLOB@dd_Blob_(Big).jpg" ns="6" title="File:C64.BLOB@dd Blob (Big).jpg" />
    </allimages>
  </query>
  <query-continue>
    <allimages aistart="2022-06-19T23:36:23Z" />
  </query-continue>
</api>