Rushuna Tendou is an extremely busty, blonde senshi who was trained to be Tenshi's body double. A former pre-Juttensen candidate, she is trained in the use of a revolver, specializing in shooting to disable rather than to kill. Rushuna fights to end strife and chaos. She has excellent tactical analytical skills, being able to discern her opponents' weaknesses in the heat of battle and adjust accordingly to exploit them with the tools at her disposal. She also hugs opponents who are difficult to negotiate with to her chest in order to pacify them. She is 16 years old although she seems older.

Rushuna has a weakness for taking hot baths, and she indulges in this pursuit frequently. She also serves as a vehicle for much of the show's fan service, some of which takes surprisingly innovative forms (for instance, storing ammunition in one's cleavage). Rushuna earns the title of "Grenadier, the smiling Senshi" from Tenshi at the end of the series. Her first name may be a reference to a Rushana Buddha, while her surname means "heavenly path" - appropriate considering her status as a traveler.

In the manga, many people had pointed out that Rushuna is a foreigner, obviously because of her natural blonde hair and her large bust. She may as well be a foreigner but born with a Japanese name. In the manga, she was trained by Soun.

(Source: Wikipedia)