Perea became age-eligible for senior competition in December 2020. She made her senior international debut at the 2021 Pan American Championships,[4] where she won the bronze medal on vault and placed fifth on floor exercise while finishing 14th in the all-around.[9] Perea next competed at the World Championships, where she finished 29th in the all-around during the qualification round but did not advance into any finals.[10] She ended the season competing at the South American Championships,[4] where she placed 14th in the all-around and won silver on the balance beam and bronze on the vault, in addition to placing fourth on the floor exercise.[11][12]
Perea won the all-around silver medal at the Bolivarian Games with an total score of 48.100, winning the balance beam title and finishing fourth on floor exercise, sixth on vault, and seventh on uneven bars.[13][14][15] She commented that she was very nervous before her balance beam routine due to an aversion to performing first, preferring instead to perform in the middle or end of the order in finals.[16] The following month, Perea competed at the Pan American Championships and placed 18th in the all-around.[17] In October, she finished 15th in the all-around at the South American Games. Perea qualified for the floor exercise final and placed seventh.[18] She ended the season competing at the World Championships,[4] where she finished 76th in the all-around during the qualification round.[19]
In May, Perea competed at the Pan American Championships and finished 14th in the all-around; she placed 14th on balance beam, 15th on uneven bars, and 22nd on floor exercise. She also competed alongside Ashley Bohórquez, Analía Calderón, and Fabiana Sadun in the team event. Perea helped Ecuador finish 10th of 18 teams in the qualification round.[20] In September, she placed 36th in the all-around at the South American Championships.[21] Perea next competed at the World Championships,[4] where she finished 96th in the all-around during the qualification round.[22] She ended the season competing at the Pan American Games,[4] where she finished 14th in the all-around.[23]
Perea debuted on the FIG World Cup circuit in February, competing at both the Cairo World Cup and Cottbus World Cup.[4] However, she did not advance into any finals.[24][25] In May, Perea finished ninth in the all-around and helped Ecuador place seventh as a team alongside Bohórquez and Sadun at the Pan American Championships. During event finals, she placed sixth on the balance beam and vault.[26] Perea ended the season competing at the South American Championships.[4] She won the silver medal on the balance beam and bronze on the uneven bars and vault, and placed eigth on the floor exercise. Perea finished fifth in the all-around and helped Ecuador finish eighth as a team alongside Bohórquez and Nicole Llugcha.[27]
Perea began her season competing at the Pan American Championships.[4] She placed 13th in the all-around and helped Ecuador place eighth as a team alongside Bohórquez, Sadun, and Melina Tripul.[28] In November, Perea won the all-around silver medal at the South American Championships with a total score of 50.750; during event finals, she placed second on the floor exercise, third on the vault, and fourth on the balance beam and uneven bars. Additionally, she helped Ecuador finish fourth as a team alongside Bohórquez, Sadun, Mariyah Aranbayev, and Valentina Azevedo.[29] That same month, Perea won the all-around silver medal at the Bolivarian Games with a total score of 49.865. During event finals, she placed first on the uneven bars, fourth on the floor exercise, and eighth on the vault.[30][31][32]