cosmosy

‘cosmosy’ is a Japanese four-member girl group consisting of himesha, de_hana, kamion, and a’mei, known for their unique music and performances as a global artist collective.

The group name, ‘cosmosy’, is derived from “COSMOS of Youth,” symbolizing endless possibilities, an infinite universe, and growth through challenges. With their diverse musical colors and the synergy of distinct individualities, cosmosy is set to become an icon of a new era.

On December 31, 2024, the music video for their pre-debut track “zigy=zigy” was released, offering a first glimpse into cosmosy’s unique artistic universe. After building anticipation with this pre-debut content, cosmosy officially debuted with their single “Lucky=One” on April 11, 2025, marking the true beginning of their journey as artists.

Partnering with NTT docomo’s entertainment division, NTT docomo Studio & Live, and Sony Music Entertainment Korea, one of the world’s top three record labels, cosmosy is actively expanding their presence in the global music scene.

With each member bringing a distinct charm and individuality, cosmosy harmonizes like a universe, delivering fresh musical experiences and mesmerizing performances to audiences worldwide.