Sora from Kingdom Hearts series was voiced by him, and he also played the leading role in Monochrome Girl movie. Since May 2010, he and Hiroshi Kamiya formed a Kiramune-unit called KAmiYU, singing for Karneval anime ending song (Reason) and Mokei Senshi Gunpla Builders Beginning G theme song (My Proud, My Play). Two mini-albums and one single have been released so far. As a solo since 2009, he has released five mini-albums, four singles, and two albums. He is good friends with fellow seiyuu Mamoru Miyano, who they met during their elementary school years while being part of The Himawari Theatre Group. Irino does not consider himself just one profession but is interested in various activities in the entertainment field. Since 2013, he has been exploring and challenging himself through theatrical plays/musicals. He took a short hiatus for studying abroad from 2017 to about six months.