He is a member of the Committee for the Compilation of True History and he is also Yuri's guardian. 

Some people suddenly find religion, but for 16-year-old Kusanagi GoDo, it's that REALLY old time religion that's found him! As the result of defeating the God of War in mortal combat, GoDo's stuck with the unwanted position of Campione!, or God Slayer, whose duty is to fight Herectical Gods whenever they try to muscle in on the local turf. Not only is this likely to make GoDo roadkill on the Highway to Heaven, it's also a job that comes with a lot of other problems. Like how to deal with the fact that his "enhanced status" is attracting a bevy of overly-worshippy female followers. After all, they're just there to aid him in his demi-godly duties, right? So why is it that their leader, the demonically manipulative sword-mistress Erica Brandelli, seems to have such a devilish interest in encouraging some VERY unorthodox activities? <br><br>
(Source: Sentai Filmworks) 

In the world, especially during ancient times, gods existed and, even now, find their place in the world. But at times, there are mortals who, whether intentionally or not, kill one of these gods and receive the “curse” of the name “Campione” or God Slayer. Those under this curse gain the power of the god they slayed and receive the mission to obliterate any false god who attempt to take control of any local turf.

Godou Kusanagi is one such unlucky human who accidentally killed the Persian deity of victory, Verethragna, and received the powers of the god’s ten forms: Bull, Ram, Camel, White Stallion, Goat, Boar, Raptor, The Wind, The Youth, and The Warrior. But this power draws in all manner of trouble, which is inevitable since the role of a god is ultimately difficult for a human. Yet, one such “trouble” is that this enhanced status has currently attracted three ladies of powerful magic and religious backgrounds, who all wish to aid him in battle. But are they really there to aid him, or do they just wish to find love with him? And what business does the leader of the three, the magic sword-mistress Erica Brandelli, have with these heavily unorthodox activities?
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(Source: MangaHelpers)

Touma Amakasu