Japanese voice actress Saori Hayami starred in the anime adaptation of which property that started as a web novel series by Tsutomu Satō?
Saori Hayami: Saori Hayami (早見 沙織 , Hayami Saori , born May 29, 1991) is a Japanese voice actress and singer. Saori Hayami:  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". The Irregular at Magic High School:  "The Poor Performing Student of a Magic High School") , is a Japanese web novel series by Tsutomu Satō.
i don't know