Complex sentence: The series focuses on Kazuya Aoi, a Limiter whose late sister was a Pandora, and Satellizer el Bridget, a powerful Pandora with a cold personality, both of whom are enrolled at the West Genetics Academy at which Pandoras and Limiters are trained.
Split into simpler sentences: The series focuses on Kazuya Aoi, a Limiter whose late sister was a Pandora, and Satellizer el Bridget, a powerful Pandora with a cold personality. Both are enrolled at the West Genetics Academy in which Pandoras and Limiters are trained.