Noel Otoshiro is the younger sister of the accomplished idol Seira Otoshiro. She first appeared during the later part of the original Aikatsu! series after being mentioned in earlier episodes, and she decided to follow her sister’s path by auditioning for and enrolling at Dream Academy. Physically, she has long, dark peach or orange hair and orange eyes, and she typically wears her hair in pigtails with pink ribbons.

As a cute-type idol, Noel favors the Angely Sugar brand, which reflects her bright and cheerful personality. Her primary motivation is to honor her sister’s legacy while forging her own identity as an idol. She looks up to Seira as both a mentor and an inspiration, and their deep bond is central to her character. She also develops a close friendship and friendly rivalry with Raichi Hoshimiya, who supports her journey.

Originally a supporting character in the original series, Noel’s role expands significantly in Aikatsu on Parade!, where she becomes a more prominent figure. She is later elevated to the main protagonist of the Dream Story arc, serving as the representative idol of Dream Academy and competing in the Dream School Grand Prix. Through this arc, she grows from a novice who admires her sister into a confident, center-stage idol capable of carrying her academy’s hopes in high-stakes competitions.

Noel’s notable abilities lie in her cute idol performances, often highlighted by the Angel Arrow special appeal. Her development is marked by her increasing self-assurance and her ability to balance her admiration for Seira with her own unique style, ultimately proving her individual strength as an idol.