Blackcloverschool mga kuwento

The beginning of the story begins with a girl named Noelle silva who when she was in middle school fell in love with a boy named Asta staria but because something happened because of a misunderstanding. Their relationship as friends ended because Asta moved schools during the summer. Now Noelle has become a student. High school was reunited with Asta again, but what he met this time was named Hayashi Roth, what actually happened in the past and why did Asta change his name?