Hirata Rikako was the leader of SKE48's Team S. She is currently affiliated with Mousa.
The SKE48 Request Hour Setlist Best 50 2011
Movie • 2011
SKE48 Spring Concert 2012
Movie • 2012
SKE48 Request Hour Setlist Best 50 2012
Idols' Tears: Documentary of SKE48
Movie • 2015