Career
Shiroma passed NMB48"s first-generation auditions in September 2010, debuting on 9 October 2010 at Tokyo Aki Matsuri. Her stage debut was on 1 January 2011. In March 2011, Shiroma was selected to form Team North. In February 2014, during the AKB48 Group Shuffle, it was announced she would be transferred to Team M. In the 2014 general elections, Shiroma ranked for the first time, placing 43rd with 17,745 votes.
In September 2014, during AKB48"s 2014 Janken Tournament, it was announced she would be selected for AKB48"s 38th single Kibōteki Refrain.
In the same month, it was also announced she and Fuuko Yagura would be the centers for NMB48"s 10th single Rashikunai. Stage units NMB48 Team North 1st Stage "Dareka no Tame ni" (誰かのために) "Nage Kiss de Uchi Otose!" (投げキッスで撃ち落せ!) NMB48 Team North 2nd Stage "Seishun Girls" (青春ガールズ) "Ame no Dobutsuen" (雨の動物園) NMB48 Team North 3rd Stage "Koko ni Datte Tenshi wa Iru" (ここにだって天使はいる) "Onew no Uwabaki" (おNEWの上履き) "Hajimete no Hoshi" (初めての星) "100nen Saki Demo" (100年先でも) NMB48 Team M 2nd Stage "Reset" "Gyakuten Oujisama" (逆転王子様) television variety ) (2012) NMB to Manabukun (NMBとまなぶくん) (since 2013) AKBingo! (since 2015).