TV-Series
Description
Rona Tsunomori, a 16-year-old high school student, battled timidity and self-doubt in her youth, frequently criticizing her own worth. Her lifelong shyness found solace in her fervent admiration for the idol group SEVENTH SISTERS, especially member Nicole Nanasaki, whose artistry ignited Rona’s resolve to become an idol. This passion propelled her to volunteer as NANASUTA’s third member, joining the 777☆SISTERS idol unit and its sub-unit WITCH NUMBER 4.

Early in her career, Rona fixated on mirroring Nicole’s persona, overshadowing her own identity. Mentorship from peers like Coney and Haru Kasukabe gradually redirected her focus toward channeling her personal ideals, blending her reverence for SEVENTH SISTERS with a newfound authenticity.

With light brown French braids, a delicate demeanor, and an effortlessly uplifting smile, Rona’s gentle exterior contrasts her emotional sensitivity, often leading to tears. She balances idol duties with part-time work at Viva Donuts and a quirky proficiency in beanbag juggling. Though prone to shyness and self-criticism, her journey traces a path from insecurity to confidence through performance.

Her accolades include winning the 7th Street Joint School Festival Mission (2014) and consecutive victories at the Tokyo 7th Type-Based Idol Grand Contest (2023, 2024). Initially volatile in fan polls, her popularity solidified with consistent top rankings in later events.

The name Tsunomori fuses “angle” and “forest,” while Rona carries no inherent meaning. She remains distinctive for possessing two autographs, one originating from a 2014 commemorative card celebrating her survey triumph.