Steel of the Celestial Shadows, Vol. 6 (manga)

Konosuke, Aki, and Bokutake find themselves trapped in a game of chance with a mysterious gambler, Rabbit-Eyed Tenroku, and the wager is nothing less than Tsuki’s life! Tenroku’s gift guarantees that he can’t lose, but losing is exactly what he desires the most! Why does he seek death? The answer lies in his dark past and a famine that struck the land a few years earlier. For Konosuke, cutting through the curse will require him to manifest his own gift in a way he never thought possible. Konosuke cannot wield a metal blade, but he may have a weapon stronger than steel…