Yaehashi Sana

Chikane's manager who works at her older brother's idol agency. Sana is a clumsy and shy girl with no sense of direction who aimed to become an idol in the past but failed to do so, which is why she's doing her best to make and push Chikane to become the top idol. Loves cakes and one of her hobbies is eating at cake buffets. Due to having poor eyesight she wears contact lenses.