ViVid Strike！ | Sezon 1

Having grown up together in the same orphanage, Fuuka and Rinne were once inseparable until a falling-out that ended with Rinne overpowering Fuuka with her fighting skills. After leaving the orphanage, Fuuka falls into a life of poverty. A chance encounter with celebrated martial arts champion Einhard Stratos reveals Fuuka's hidden talent for combat. Einhard offers her a job and training, encouraging Fuuka to face Rinne once more — this time in the ring.