Ruby Hoshino possesses features that liken her to her mother Ai Hoshino; more often than not being compared to her in many aspects. Such as her facial features and the distinct look in her eye featuring a star. She sports blonde hair with pinkish highlights at the end. Her eyes are ruby-colored, which her mother named her after, and usually wears an idol outfit. overwhelmed with joy, Ruby has given herself the goal of becoming an idol singer. she is extroverted, outgoing, loud, and optimistic.