Trivia

While a sophomore in high school, Amamiya was introduced to a video collection of roles by voice actress Miyuki Sawashiro. This inspired her to be a voice actor.

She was named a winner of the Best New Actress award in the 9th Seiyuu Awards.

After passing an audition held by Music Ray'n in 2011, she made her voice acting debut in 2012, voicing minor characters in Aikatsu!, Shinsekai yori, and Tonari no Kaibutsu-kun..

She played her first main role as Kaori Fujimiya in the 2014 anime television series Isshukan Friends.

She made her official music debut for Music Ray'n by performing Akame ga Kill's opening theme song "Skyreach"; the song peaked at number 13 on the Oricon weekly charts.

She is a member of the music unit TrySail, along with voice actress Momo Asakura and Shiina Natsukawa.

In May of 2018, she was diagnosed with chorditis, which reduced her workload including her role as Vernage in Kamen Rider Build to allow time for recovery. The character in was supposed to be voiced by her in the last few episodes, but due to she her illness at that time, she couldn't voice her lines and the character was rendered mute.