Tomoe Tobise, a third-year Hamasaki High School student, radiates open-hearted cheerfulness and shares an inseparable bond with Hotaru Shirakawa, her closest friend. Juggling theater club commitments and a part-time restaurant job, she balances responsibility with occasional clumsiness. Her theatrical passion sparks misunderstandings—rehearsed lines, like a faux romantic confession, risk straining her loyalty to Hotaru.

Standing 1.65 meters tall with grey hair and eyes, her hairstyle mirrors a franchise character’s design. Her name’s etymology—"flying world" (surname) and a comma-shaped motif (given name)—subtly reinforces her cultural aesthetic.

Extended narratives delve into her interpersonal struggles, particularly her anxiety over unintentionally harming her friendship with Hotaru through misread interactions with mutual peers. These layers highlight her ethical diligence and quiet conflicts, grounding her vibrant exterior with emotional depth.