Samurai Girl Real Bout High School

Fuente: AniList

At Daimon High School, kids settle their disputes by dueling with each other in the school's official battle arena. Ryoko Mitsurugi, the samurai girl, 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.