Complex sentence: Evangeline A.K. McDowell is a 700-year-old vampire who, after parting ways with her friends from the Mahora Academy, she adopted the alias "Yukihime" and established the secret "UQ Holder" society for immortal beings.
Split into simpler sentences: Evangeline A.K. McDowell is a 700-year-old vampire. After parting ways with her friends from the Mahora Academy, she adopted the alias "Yukihime" and established the secret "UQ Holder" society for immortal beings.