Hideki Hinata (日向 秀樹, Hinata Hideki) is the co-founder/ co-leader of SSS along with Yuri Nakamura . He is a young man with a bright and dependable personality. Being one of the strongest and most skilled males of the group he often puts himself in situations where he will protect his companions at any cost, in many occurrences, Yuri herself. He is the main protagonist of the Heaven's Door manga.