The Legacy of Athena and Hermes: The Lightning Thief

After losing their children to the Kyuubi in the Elemental Nations, Athena and Hermes takes steps while waiting to bring their grandson and their legacy Naruto Uzumaki to their world so he can train at Camp Half-Blood. But their timing ended up going bad when one of Naruto's school roommates turns to be a demigod son of Poseidon who is being framed for stealing Zeus' Master Bolt.