The diamond "Cleopatra's heart" has a fickle nature that it never stays with one owner for long. Lupin went to a seemingly ordinary school in search of the whereabouts of diamonds. However, there were dubious teachers who made their own bombs and planned something. Lupin disguises himself as a teacher and tries to find the location of the diamond, but it is in the hands of the teachers who were making the bomb, and the situation is in a terrible rapid development!!
Long Summary[]
"This is it? ... but it's an empty ruin!" This section of the article is a stub. Know something we don't for this section? Feel free to expand it by editing it!