Question: the irregular at magic high school enrollment arc
Answer: Enrollment Arc ( II ) August 10 , 2011 978 - 4 - 04 - 870598 - 1 August 23 , 2016 978 - 0 - 316 - 39029 - 3 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Chapter 11 Chapter 12 Tatsuya garners the attention of an anti-magician faction called Blanche who send a classmate named Sayaka Mibu to recruit him .