Ayumi Sanda

Ayumi has been Erika's trusted best friend since middle school and is notably the first character to uncover the secret behind the 'fake boyfriend' arrangement. Rather than joining any school clubs, she dedicates her after-school hours to part-time work, reflecting a maturity well beyond her years. Her sharp intuition allows her to see through Kyouya Sata's true nature with remarkable ease. Whenever Erika finds herself tangled in emotional confusion, Ayumi steps in as the voice of reason—offering grounded advice and unwavering support that makes her the most dependable ally in the entire series.