Kyuubi Jinja Kitan

"Train a lazy Nyan-Miko into a full-fledged priestess in just 7 days!"

Miketo Mike is a female calico cat who has suffered one job-hunting failure after another.

One day, during her daily visit to the Kyubi Shrine, she meets Kyubi, a guardian deity who has lost its power.
After being granted a mysterious power, she awakens as a "Nyan-Miko"!

However, in eight days, a vampire aiming for Japan is set to attack!

Train the Nyan-Miko over the next 7 days to stand against the looming threat!

[From NovelGame]