Sumire Mizukawa is a quiet storm. Her "extra quality" is a reminder that the most powerful performances aren't always the loudest. They are the ones that linger in the silence long after the credits roll, leaving you with the unsettling feeling that you’ve just seen someone’s real soul flicker across a screen.

Think: 🌙 late-night walks through Tokyo’s backstreets 📼 old mini-DV footage flickering in the dark 🎧 headphones on, volume just above a murmur

As Extra Quality, Sumire Mizukawa is poised to take the entertainment industry by storm. With an upcoming album release and a series of concerts scheduled, fans can expect an exciting year ahead. Sumire aims to expand her artistic horizons, exploring new sounds, and collaborating with international artists.

Best known internationally for her hauntingly delicate role in All About Lily Chou-Chou , Mizukawa has always moved to her own rhythm. But with her musical project she steps into a new kind of intimacy — one that blends ambient textures, whispered confessions, and lo-fi warmth.

It is important not to confuse her with other high-profile individuals sharing the same name: Sumire Matsubara

Beyond her solo project, Mizukawa contributed as a background vocalist for artists like YUI and Kanon Wakeshima , demonstrating her adaptability. She also became a core member of Hello! Project's 20th Generation (formed in 2010), which aimed to bridge idol culture with individual creativity, further cementing her role in the industry's evolution.