Japanese publisher Imagica Infos will release an anniversary book to commemorate voice actor Kengo Kawanishi 's turning 40 on August 29, 2025. The price for the regular edition is 4,400 yen (31 USD). Kawanishi was born on February 18, 1985/ He is best known for his portrayals of Mikazuki Augus in Mobile Suit GUNDAM Iron Blooded Orphans , Muichiro Tokito in Demon Slayer: Kimetsu no Yaiba , and Soshiro Hoshina in Kaiju No. 8 . In addition to photos newly taken in his hometown of Osaka, the book will include a long interview looking back on his 40-year history, comments from his fellow voice actors who have been closely involved in his work, a conversation with them, and close coverage of his work sites. In a video message posted on the Seiyu Grand Pix magazine's official X (formerly Twitter) , which was filmed after the photo shoot completed, he says, "We did a lot of shooting over the three days, going to Osaka, coming back to Tokyo, etc., and we took a variety of pictures with great outfits, so I hope everyone will take a look at this book." Check out sample photos below. RELATED: Voice Actor Kisho Taniyama to Release 50th Birthday Photo Book in August Source: Imagica Infos Press Release