Samurai Girl Appears
As Ryoko Mitsurugi goes to Daimon High School, she gets confronted by a group of ninjas and fends them off easily in a K-Fight, an officially sanctioned duel to settle disputes between folks at the school. Later on, when she prepares for a tournament where the winning club gets 100 times their usual funding, Ryoko finds a pendant necklace in a locker and puts it on. She faces her rival kendo senpai Azumi Kiribayashi in a duel but strange things begin to happen soon afterwards.
Aired 30/07/2001EP 1 - Samurai Girl Appears
Samurai Girl Real Bout High School
At Daimon High School, kids settle their disputes by dueling with each other in the school's official K-Fight battle arena. Ryoko Mitsurugi, samurai girl and undefeated K-Fight champion, is called upon by a mysterious Priestess to protect the Earth from an invasion coming from the alternate universe of Solvania. She must face battles that will test her skills, her friendships, and her heart in order to find her true strength as a samurai warrior.
(Source: Anime News Network)