Himeko Nayotake is the love interest (and childhood friend) of Kakeru Ozora in Sailor Moon S: The Movie (known in the English dub as Sailor Moon: Hearts in Ice).
Himeko and Kakeru had both dreamed of going to the moon and meeting the legendary Princess Kaguya when they were kids. She is an intelligent and resourceful woman. She is saddened when Kakeru refuses to give becoming an astronaut one more try after being rejected in his first try. However, she does succeed in the goal.