Familiar Of Zero: Saving Grace

Saito gets saved from Louise, but not without a fight. Agnes trains him, but is it more than that? Who takes him on as a familiar, and what is his new power? Tabitha and Henrietta both love Saito, but is it possible to be with 2 queens? Where does this leave Siesta and Tiffania? Follow the Familiar Of Zero story, but with some changes. Saito,Tabitha,Siesta,Henrietta,Agnes,Tiffania