Ultraman Geed Season 1 Episode 12

After coming to know the secret behind his birth and after getting defeated by Kei Fukuide who had Fusion Rise into Belial Fusion Monster Pedanium Zetton, Riku loses the meaning to live. He breaks down. Riku gets a Letter from a person called Sui Asakura. Riku visits to meet him and comes to know that he was the one who had named him “Riku”.