Kaoru Iga began working in earnest after exhibiting at Art Brut Tachikawa in 2015. He uses a variety of painting materials including paints, pastels, and colored pencils, and also creates collages and three-dimensional works using his own artwork as materials. He also loves music and has been learning to play the cello for over 20 years.He was the model for the 2023 HERALBONY key visuals.