Michiru Yamana, a Rakuen High School student with dreams of jewelry design, crafts and sells handmade silver trinkets on bustling streets. Her artistic passion traces back to her late brother, who mentored her in the craft before his tragic accident. A belt buckle he gifted her—a cherished memento of their bond—embodies her enduring link to him and fuels her creative drive. When delinquents steal the buckle, her resolve wavers, but friends rally her to reclaim her purpose.

Compassionate and steady, Michiru grounds her peers with empathy, smoothing tensions among fiery personalities. Though unaccustomed to conflict, she summons boldness when tested, such as silently defying captors despite restraints.

Her bond with Kiyoshiro Okamoto deepens from camaraderie to affection, kindled by mutual respect for each other’s tenacity. She champions his artistic pursuits, posing for his canvases and stoking his ambitions.

Trials—from thieves targeting her work to clashes with adversaries—temper her resilience, solidifying her dedication to both craft and companions. Her history as a street vendor and her brother’s enduring influence thread through her journey, shaping her choices and growth.