Ost Hourai

Ost Horai is the soul of the Spirit Tortoise, one of the Four Guardian Beasts. She is the manifestation of the Spirit Tortoise itself, in its humanoid form. Ost has shiny brown hair tied into a chignon with flowers and sharp, Chinese-looking eyes. She wears a green Chinese-style dress with a hexagonal pattern resembling a turtle shell. She also has a loose shawl wrapped over her and is attached to her dress at the waist with lotus flowers. Her skin is healthy and bright and according to Naofumi, she looks vivacious. Ost is kindhearted and will sacrifice whatever is needed to protect her friends. She cares more about the lives of others than her own, and is prepared to give her life to save others. She wishes that she could have lived a life as a normal human and spent more time with Naofumi as an ally, but doesn't let this desire get in the way of defeating Kyo. It is noted that her first method of calming the waves is to use her beauty to bring about war and harvest the souls for the purpose of keeping the world safe. Had that failed, she would release Spirit Tortoise familiars to speed up the process, only opting to bring about the Spirit Tortoise to forcibly gather souls required if all other options were exhausted. Because of this, it can be assumed she is capable of manipulation and cruelty, a side of her Melromarc's Queen is quite familiar. However, this is not her real personality: it is act she puts on as part of her mission to protect the world. She doesn't display any of these traits in front of Naofumi's group since her purpose had been usurped by Kyo and she had no reason to. Despite considering it a necessity to save the world, Ost carries a great deal of turmoil over her actions. Her greatest regret and fear is that having to play the villain would end in her dying hated and alone. She is happy that she got to meet Naofumi's party because they gave her a place where she could be herself even though the cause was decidedly negative.