The fourth episode of the Kaiju No. 8 anime marked the debut of Kaiju No. 9 in both monster form and the human form of Takamichi Hotaka. With that comes the announcement of their respective voice cast members. Hiroyuki Yoshino (Present Mic in My Hero Academia ) voices Kaiju No. 9 and Tomokazu Sugita (Gintoki in Gintama ) voices Takamichi Hotaka. You can see their designs below. Related: Kaiju No. 8 Anime Announces Cast for Isao Shinomiya, Tae Nakanoshima Based on the hit manga by Naoya Matsumoto, Shigeyuki Miya and Tomomi Kamiya direct  Kaiju No. 8  at studio Production I.G, with series composition by Ichiro Okouchi ( Mobile Suit Gundam: The Witch from Mercury ), character designs by Tetsuya Nishio ( Naruto ) and music by Yuta Bando ( Belle ). Crunchyroll is  streaming the series  as it airs in Japan and describes the story: In a world plagued by creatures known as Kaiju, Kafka Hibino aspired to enlist in The Defense Force.