Yuta Hibiki is the protagonist of the anime series 'SSSS.Gridman'. He is a high school student who suffers from amnesia at the start of the series. Yuta discovers that he can merge with the Hyper Agent Gridman, a digital being, to fight against kaiju and prevent them from wreaking havoc in the real world. Throughout the series, Yuta learns about his past and the nature of the world around him, while forming strong bonds with his classmates and allies. His role is crucial as he stands as the bridge between the human world and Gridman’s digital realm, fighting to protect his friends and city.