驚愕花 Gainorva is a Japanese rock band formed in 2017. The band consists of vocalist and guitarist Yuu, bassist and vocalist Yuuya, and drummer Yuta. They are known for their energetic live performances and catchy, melodic songs. Their music often incorporates elements of pop, rock, and metal, creating a unique and captivating sound.

Gainorva has released several EPs and singles, including "Farewell Poem," "Parallel You," "Flood," and "Indifference." They have also toured extensively throughout Japan and have performed at major music festivals. The band is known for their passionate and dedicated fanbase, who are drawn to their infectious energy and heartfelt lyrics.