Apostasy

"Blasphemy." "But of course." There's a demon's grin against his ear, lips soft, breath warm. "Now forgive me, Father, for I am sin." / A demon haunts the Cathedral of the Archangels. Father Ichigo Kurosaki is confident its the opportunity of a lifetime; but he's nowhere near ready for what Grimmjow Jaegerjaquez has in store for him. A Grimmichi AU.