Tsunomori Rona is a shy, kind-hearted high school girl who works at a donut shop and dreams of inspiring others as an idol, just like her idol Nicole Nanasaki.
She is 16 years old and stands at 147 cm tall, weighing 39 kg.
Her measurements are B78, W53, H76, and she wears an A70 bra size.
Rona has brown hair and a youthful, petite look.
Rona is timid and often cries when overwhelmed or nervous.
She’s a thoughtful girl, always putting her friends’ feelings ahead of her own and worrying about others.
Although lacking in self-confidence, she possesses surprising inner strength and determination.
She considers herself clumsy but actually has a hidden talent for dance thanks to years of copying idol choreography.
Rona works part-time at Viva Donuts, a local donut chain store.
Unlike some other group members, she visited Nanastar by her own will, inspired by the songs of Tokyo 7th Sisters.
She became a passionate fan of Nicole Nanasaki, hoping to become an idol who can cheer and energize everyone.
Rona’s special skill is juggling, though self-admittedly, it’s not much.
Her dance talent shines through, as she has learned idol moves by watching Tokyo 7th Sisters from a young age.
She displays impressive perseverance and commitment when pursuing her dreams, surprising her teammates with her resolve.
Rona admires Nicole Nanasaki deeply and is a devoted fan.
She often worries about and supports members like Nonohara Hime, who struggles with self-esteem, and Madoka Enami, who shares a similar shyness.
Rona’s enthusiasm intensifies around Tokyo 7th Sisters and she bonds strongly with fans like Alessandra Suess.
She sometimes slips and calls the manager “Shihanin-shan” instead of “Shihanin-san,” revealing her nervous side.
Her favorite things are “Nico-sama” (Nicole Nanasaki) and animals.
She’s known as a “crybaby” in the group and sometimes acts as the comedic relief.
Though she considers herself uncoordinated, she is agile during dance routines.
She is called "Rona" as a nickname by her friends.
“Fehhh! Nico-sama! Please help me!”
Joining Nanastar
At Viva Donuts, Rona meets Coney Rokusaki and the manager, which leads her to the world of idols.
Unlike other members who are scouted, Rona chooses to go to Nanastar herself, driven by her admiration for Tokyo 7th Sisters.
Becoming an Idol
After joining 777☆SISTERS and WITCH NUMBER 4, Rona continues to struggle with shyness and self-doubt.
Through practice, friendship, and the encouragement of her favorite idol Nicole Nanasaki, she gains confidence and finds her own voice.
Teamwork and Growth
Rona’s journey involves comforting others, supporting teammates who feel insecure, and surprising her friends with unexpected bravery.
She often displays heartfelt concern for friends like Nonohara Hime and Madoka Enami, creating close bonds within her unit.
Moments of Boldness
Around her idol group, Rona’s usually timid demeanor gives way to passionate excitement and enthusiasm.
Her growth as an idol is marked by these moments of boldness, as she finds inspiration from the group’s music and people.
Rona is a member of 777☆SISTERS and WITCH NUMBER 4.
Her voice actress is Ai Kakuma.
She is a high school student and part-time worker, balancing her school life and idol activities.
From the 2014 major update, she was slightly known, though hadn’t realized her own growing reputation.
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