OVA
Description
Yukina Nanahara, a cheerful and kind-hearted student at Saint Cecilia Girls Academy, balances her studies at the music-centric institution with rhythmic gymnastics, mastering intricate routines with her signature ribbon. Her pink twin tails, brown eyes, and slim 158 cm frame make her a recognizable presence, often seen extending help to peers without hesitation.

Her life intertwines with Akio Yashiro, a concert violinist she comforts after a disastrous performance. Years later, their paths cross again at the academy, where Akio, now a teacher, has succumbed to dark forces tied to a parasitic entity beneath the school—a demonic violin that fuels corruption. Initially blind to his transformation, Yukina eventually confronts him, wielding the holy violin of St. Cecilia to avenge those exploited by the academy’s hidden horrors.

As tensions escalate, Yukina evolves from a supportive friend to a reluctant avenger, wrestling with moral dilemmas and the fallout of her choices. Her resilience against the institution’s oppressive hierarchy tests alliances and sparks clashes with authority, highlighting her struggle for autonomy amid chaos.

Visually, Yukina embodies her dual roles: her school uniform and athletic gear—complete with a choker and hair ribbons—reflect her disciplined life. Context-specific attire, like leotards or thigh-high boots, underscores her adaptability in both gymnastic feats and confrontations with the academy’s lurking threats.