Kengo Kawanishi is a Japanese voice actor. He was formerly affiliated with Office Kaoru, but is now represented by Mausu Promotion.

Sunday Without God , also known as Kaminai (神ない) for short, is a Japanese light novel series written by Kimihito Irie, with illustrations by Shino. Fujimi Shobo has published nine volumes since January 2010 under their Fujimi Fantasia Bunko imprint. A manga adaptation by Abaraheiki began serialization in the November 2010 issue of Fujimi Shobo's Monthly Dragon Age. A drama CD was released by Marine Entertainment on December 29, 2010. A 12-episode anime television series adaptation produced by Madhouse and directed by Yūji Kumazawa, aired between July and September 2013.