Japanese voice actress Saori Hayami starred in the anime adaptation of which property that started as a web novel series by Tsutomu Satō?
The Irregular at Magic High School
Title: Congqian Youzuo Lingjianshan
Passage: Congqian Youzuo Lingjianshan (从前有座灵剑山, literally "There was once a Spirit Blade Mountain") is a Chinese "xianxia" web novel series written by Guowang Bixia (国王陛下, a pen name meaning "His Majesty the King"), and a manhua version was hosted on the Tencent comics portal since 2014.  An anime adaptation co-produced by Tencent and Studio Deen named Reikenzan: Hoshikuzu-tachi no Utage (霊剣山 星屑たちの宴 , literally "Spirit Blade Mountain: Feast of the Stardust") premiered in January 2016, which was simulcast in Chinese and Japanese.  A second season of the anime has been announced and aired from January 7, 2017 to March 26, 2017.
Title: Saori Hayami
Passage: Saori Hayami (早見 沙織 , Hayami Saori , born May 29, 1991) is a Japanese voice actress and singer.  She is represented by the agency I'm Enterprise.  As a singer, she is signed to Warner Bros.  Home Entertainment Japan.  In 2016, she won the 10th Seiyu Awards for Best Supporting Actress.  Her major voice roles include Yukino Yukinoshita in "My Teen Romantic Comedy SNAFU", Ayase Aragaki in "Oreimo", Shirayuki in "Snow White with the Red Hair", Miyuki Shiba in "The Irregular at Magic High School", Shinoa Hiiragi in "Seraph of the End", Urara Shiraishi in "Yamada-kun and the Seven Witches", and Shōko Nishimiya in anime film "A Silent Voice".
Title: The Irregular at Magic High School
Passage: The Irregular at Magic High School, known in Japanese as Mahōka Kōkō no Rettōsei (魔法科高校の劣等生, lit.  "The Poor Performing Student of a Magic High School") , is a Japanese web novel series by Tsutomu Satō.  It was published on Shōsetsuka ni Narō, an internet web novel website, between October 2008 and March 2011.  Satō reached a deal with Dengeki Bunko and began releasing his work in a light novel format beginning July 2011.  In 2013, each story arc received a manga adaptation with varying manga artists and publishers.  That same year, an anime adaptation by Madhouse was announced and was broadcast between April and September 2014.  "The Irregular at Magic High School" franchise had been localized for English by two companies: The light novels and one of the manga adaptations are licensed by Yen Press while Aniplex of America licensed the anime series.  The anime series was simulcasted on four networks, and was later made available on Netflix.
Saori Hayami The Irregular at Magic High School