小悪魔ちゃんのオオカミ!

It's Halloween! The mischievous little succubus, Rias, is at it again! She's here to play a little trick on her beloved neighbor. What's going to happen when he pulls on the string attached to her hood...? Complete, with extra side story about Riko, the cute little twintails maid! (Source: Irodori Comics)