Since 2010, Kakihara has been affiliated with Kiramune, a music label by Bandai Visual and Lantis, where he debuted as a singer with his first mini album, "Still on Journey". His first single, "String of Pain", released on 6 February 2013, is the ending theme song to the anime "" in which he also voices the main role of Shino Inuzuka. He has released two full albums, five mini albums, and six singles. His third single, "咲いちゃいな (Saichaina)", was released on 15 April 2015.