diff.text: Soul Shadow is not a monster per-se but rather an illusion of an apparition similar in appearance to Nephrite<ref>URL=” http://www.wikimoon.org/index.php?title=Talk:Youma”</ref> even though some specify that it is itself a part of him <ref>URL=” http://sailormoon.channel.forumcommunity.net/?t=24987256”</ref>. Similar to the [[youma]] [[Leo the Lion]], Soul Shadow was not involved in any energy-absorbing plots but was used by its master, [[Neflite|Nephrite]] to rob the treasuryvisiting ofPrincess Dia(mond) from the Diamond Kingdom, itsthe royal treasure whichshe [[Queenis Beryl]] believedset to inherit at a reception inside the Diamond Kingdom embassy. Speculating that the royal treasure could be the legendary [[Imperium Silver Crystal]], (銀水晶).[[Queen Beryl]] assigned [[Zoycite|Zoisite]] who was to investigate this matter but had this assignment snatched from [[Neflite|Nephrite]] as [[ Queen Beryl]] believed that [[Neflite|Nephrite]] will work harder now given his recent string of failures.
diff.text: [[Luna]], who read about the Diamond Kingdom’s royal treasure, informs [[Sailor Mars|Rei (Raye) Hino]], [[Sailor Mercury|Ami Mizuno (Amy Anderson)]] and [[Sailor Moon|Usagi (Serena) Tsukino]] that Princess Diamond may be the princess they are looking for, and they decide to wait outside the embassy to see her <ref>URL="http://www.wikimoon.org/index.php?title=Romance_Under_the_Moon!_Usagi%27s_First_Kiss"</ref>.