Iriyama started her career in the entertainment industry when in March 2010 she passed the 10th generation audition for the trainee section of the girl group AKB48.

[2] On December 17, 2011, Iriyama and two other AKB48 members, Ami Maeda and Rena Katō, held a large autograph-signing event in Hong Kong.

[2] In 2014, Iriyama played her first starring (main cast) TV drama role, in the series Kekkon Sasete Kudasai!!

Iriyama released her first solo photobook, Utsukushii Tsumi (美しい罪, The Beautiful Sin), on March 22, 2017.

[11] In March 2018, it was announced that Iriyama would join the cast of a Mexican telenovela titled Like La Leyenda.

Her character, Keiko Kobayashi,[12] is a Japanese girl with a mysterious past who came to Mexico to attend the titular school and does not speak English or Spanish.

[14] On April 11, 2019, Iriyama launched her YouTube channel,[15][16] focusing her initial videos on travel throughout Mexico, speaking Spanish in them with Japanese subtitles.

[21] After graduating from AKB48, Iriyama continues to work in the entertainment industry as an actress in her home country Japan, with sporadic visits to Mexico.