TV-Series
Description
Shizuku Osaka is a first-year Nijigasaki High School student, having transferred from Seiran High School where she attended alongside Kanata Konoe and Emma Verde. She lives in distant Kamakura as an only child with her female golden retriever, Ophelia.

Physically, she possesses long dark brown hair cascading in a half-ponytail secured by a red ribbon and light blue eyes. Standing 157 cm (5'1"), her measurements are bust 80 cm (31"), waist 58 cm (23"), and hips 83 cm (33"). Her image color is light blue (#01b7ed).

Personality-wise, Shizuku is a polite, level-headed honor student embodying a traditional Japanese beauty. Though timid, she balances this with friendliness and cheerfulness. Her selfless and generous nature leads her to offer her home for group trips and assist peers like Kasumi Nakasu academically. Passionate about acting, old movies, and novels, childhood anxieties about these interests being perceived as "odd" caused her to conceal them. Her responsible streak often results in overcommitting and internalizing worries, though she gradually learns to voice her thoughts. While easily teased, she will defend herself and others when necessary, such as admonishing Kasumi for excessive mischief. She shares a supportive yet non-burdensome trait with Emma Verde.

Shizuku belongs to both the theater club and the school idol club. She initially pursued idol activities solely to enhance her acting skills, viewing it as a role. This perspective evolved as she recognized both idol performances and theater share the core goal of moving audiences and spreading joy. She diligently practices voice training for up to four hours on free days and imagines play concepts, including adaptations of *The North Wind and the Sun* and *The Tale of Princess Kaguya*.

Her background includes athleticism paired with incompetence in ball sports, often resulting in balls hitting her face during games. She sews costumes for theater and enjoys collecting Japanese-style accessories, an interest sparked by a Taisho-era play.

As one of the five founding members of Nijigasaki’s idol club, Shizuku experienced its temporary disbandment due to conflicting visions. Subsequent devotion to theater initially distanced her, but encouragement from a respected senior prompted her return, reigniting her commitment to both acting and idols. Her solo songs include "Anata no Risou no Heroine," "Audrey," and "Solitude Rain."

Across her development, Shizuku transitions from treating idol work as an acting exercise to embracing it authentically, recognizing idols express personal emotions rather than adopting roles. She overcomes her fear of being perceived as unusual for her interests and learns to share her feelings instead of suppressing them. Her relationships with unit members Emma and Kanata deepen, finding comfort in their "big sister" dynamic. She aspires to become an actress and eventually a mother who performs for her child.

In group dynamics, Shizuku serves as the mediating "Ego" in the first-year Freudian Trio, positioned between Kasumi Nakasu’s impulsive "Id" and Rina Tennoji’s reserved "Superego." She is also part of the subunit A・ZU・NA with Ayumu Uehara and Setsuna Yuki.