Lucifer has been awoken from his eternal slumber by the spirits of Eris, Abel and Poseidon. He has come to kill Athena and fulfill his heart's burning desire: becoming the strongest of all the gods.

In the dry riverbed of Arakawa River, undefeated elite Ichinomiya Kou (aka Ric) met the lovely homeless girl Nino, a self-declared Venusian. Their awkward love stirs up trouble among the other strange inhabitants of the riverbed. (Source: ANN)

Kou Ichinomiya is the son of a wealthy businessman who holds a firm belief in his elite status. As such, he is determined to avoid becoming indebted to anyone; but one day, after a run-in with some mischievous kids on Arakawa Bridge, he ends up falling into the river running underneath. Luckily for him, a passerby is there to save him—but now, he owes his life to this stranger! Angered by this, Kou insists on paying her back, but this may just be the worst deal the arrogant businessman has ever made. The stranger—a stoic, tracksuit-wearing homeless girl known only as Nino—lives in a cardboard box under the bridge and wants only one thing: to fall in love. Asking Kou to be her boyfriend, he has no choice but to accept, forcing him to move out of his comfortable home and start a new life under the bridge! [Written by MAL Rewrite]

In northern Europe, the reincarnation of Odin, Dolbar, rules supreme. One day, Hyoga rescues a man in Siberia so warns him about trouble in the Asgard. Athena goes out to investigate and sends Hyoga in advance but when she and the others arrive at the Asgard, Hyoga is nowhere to be found. When Dolbar captures Athena to take control of the sanctuary, the bronze saints try to help her but are attacked by the God Warriors.