Princess Sernia was the moon princess who feel in love with Prince Darien and they were lost during a battle. Later they rember that they loved each other as Sernena and Darien. Sailor Moon Falls in Love with Tuxedo Mask. That is the first season. Darien is kidnapped by Queen Berly(A bad person who is in love with Darien). After Darien retunes Tuxedo mask splits into two personaltys Tuexdo Mask and the Moonlight Knight. Tuexdo Mask is controlded by the Evil fouces and the Moonlight knight is all that is good in Darien. In the end of the show Sailor Moon and Tuexdo Mask/Serina and Darien get married. They end up forming Crystel Tokyo and having a child(See Rolay Family).