Zashiki Musume to Ryourinin

It is said that the god who protects the house will bring good fortune to the people who live there...Suganami Tao, who was only interested in money, is introduced to a shady short-term job with a shady income by a senior colleague. He is to live in an old mansion in the countryside and make offerings to the "God" enshrined in the inner sanctum... The money is enough to entice Tao to apply, but there is a mysterious girl in the old house...