“I will never…”: A ghost story

You moved into a house at a rather cheap price. You learn as to why the house was so cheap, the ghost of a murder victim is in the house. You feeling awful for the ghost and decided to help them find their killer. Explore the town of Perrin, Oakgrove and find who killed the victim. Though what will the relationship between the two of you be like? Will it be a mere friendship or something more? (I made it so anthropomorphic animals coexist alongside humans.) (You can customize yourself and the ghost.)