Naqua-Den

Naqua-Den (南Q阿伝) is a Japanese manga written and illustrated by Yasunori Mitsunaga. It was serialized in Monthly Shōnen Sirius. It is a spin-off from Princess Resurrection.

Plot
Japan is being invaded by parasitic gods. The only one left to stop them is Nakua, the spider god. She enlists the help of Taromaru, an otherwise normal boy who has the Nakua's spider familiar resting inside him. Together they free Japan's gods from the control of the parasites.