[4] Shiroma passed NMB48's first-generation auditions in September 2010, debuting on 9 October 2010 at Tokyo Aki Matsuri.
[9] In May 2018, she participated in the reality television series Produce 48 and ranked 20th, unable to debut with the show's project group Iz*One.
She played the role of Tetsuya Sakai, based on Hiroki Matsukata's original portrayal.
[10] On 2 March 2021, during the finale of the NAMBATTLE project at the Orix Theater, Shiroma announced her graduation from NMB48 – the last first-generation member to do so.
[13][14] On 14 January 2022, it was announced that Shiroma would make her solo artist debut under Universal Music Japan.