Birthdate: Aug 8, 1992
Rikako Aida is known for Love Live! School Idol Festival (2013), Love Live! Sunshine!! (2016) and Concrete Revolutio (2015).
When Kanan and Dia disappear while visiting Mari on Italy, Chika and the rest of the Aqours have no choice but to reach the 'Belpaese' themselves and search for them.