Gods' Games We Play, Vol. 1 (light novel)

When the gods grow bored, they decide to spice up their eternal existenceby
challenging all takers in an ultimate battle of wits! Of course, thesedeities are
capricious, unfair, and incomprehensible at the best of times, sowinning is virtually
impossible for a mere mortal. Even so, things are boundto get interesting when a
former goddess and a genius human boy team up in abid to win the game to end all
games!