He took over some of the role of his father Chikao Otsuka, after he passed away on 2015, such as Master Xehanort in Kingdom Hearts III and Denzou Yamada in Nintama Rantaro.
In foreign media dubbing, he frequently dubbed roles played by Steven Seagal, Nicholas Cage, Dolph Lundgren, Denzel Washington, Antonio Banderas and Samuel L. Jackson.
After his first marriage with Yoko Somi on 2005 that ended with a divorce on 2009, he announced that he has married again on 2017.