Mahoutsukai no Yome Season 2 Part 2

A string of attacks has left students and teachers at the College drained of magic, so headmistress Liza Quillyn seals the entire school and prevents anyone from entering or leaving. The lockdown traps Chise Hatori and her classmates inside, while Philomela Sargant is unable to obey her grandmother Lizbeth's order to return home.

Philomela's physical and emotional condition deteriorates as the pressure surrounding her family becomes impossible to ignore. At the same time, painful truths from Lucy Webster's past and clues about the stolen magic begin converging. Chise, increasingly determined to protect the people she cares about, must choose how deeply to involve herself when helping a friend means confronting the power that has controlled Philomela for years.