The love story between Usagi and Mamoru, Usagi's boyfriend. Mamoru and Usagi are boyfriend and girlfriend during the series. The series is five seasons and 200 episodes and the manga is 18 volumes. The main theme is the love between the main couple. Mamoru, Usagi's boyfriend, later marries Usagi and becomes Usagi's husband. They become king and queen and rule Crystal Tokyo and have a child named Chibi-Usa. Mamoru proposed to Usagi at an airport when he gave her a ring after they have been dating for four seasons. It is their love that keeps them alive, they share many kisses and their love gets them through every battle and obstacle. Mamoru, Usagi's boyfriend, plays a significant role throughout the 200 episodes and 18 manga volumes.
Sailor Moon is the romance of Usagi Tsukino and Mamoru Chiba, Usagi's boyfriend and future husband.