In addition to work as an actor, Asano is also known as a musician. He is a band member of SODA!, which formed in 2013, and he is the vocalist. He paints pictures and posts it frequently on instagram and twitter. In 2018, he held a solo exhibition that introduced 700 of his paintings. And also, he published three books of his paintings “error” in 1999, “BUNCH” in 2003 and “Everlasting Fountain” in 2018. He draws with acrylic paints, crayons and pencils, and draws on the papers and even on the back of the envelopes. His paintings are drawn in many different ways. These look like scribble art, comic books, abstract art and so on.