Supernatural with Slice of Life:
* Shiki: A chilling mystery about a village plagued by mysterious deaths, where a group of young people uncover the truth about vampires. It's darker and more suspenseful than "Zombie Loan," but it shares a similar blend of supernatural elements and everyday life.
* Natsume's Book of Friends: A boy inherits a book containing the names of yokai (spirits), and he learns to communicate with them. It has a gentler, more heartwarming tone than "Zombie Loan," but it explores the bond between humans and supernatural beings.
* Mushishi: A wandering Mushi specialist encounters various creatures and people affected by them. It focuses on the beauty and mystery of the supernatural, with a contemplative and introspective feel.
Dark Themes and Morality:
* Death Parade: A bar where souls are sent to be judged, each with a unique game that reveals their true nature. It has a more mature theme and explores the concept of death and judgment.
* Soul Eater: A group of students at a school for weapons train to become Death Scythes. It features a balance of action, humor, and serious moments about morality and sacrifice.
* Black Butler: A young boy contracts with a demon in exchange for revenge. It's a dark fantasy with a gothic aesthetic and explores themes of power, betrayal, and the price of revenge.
Supernatural Loans and Contracts:
* The Familiar of Zero: A teenage girl is transported to a magical world and becomes the familiar of a powerful mage. It's a comedic fantasy with a focus on magic and contracts.
* Blue Exorcist: Two brothers discover their true parentage and fight to protect humanity from demons. It features an interesting world-building and explores themes of duty, sacrifice, and faith.
Other Recommendations:
* Tokyo Ghoul: A dark and gritty story about a young man who becomes a ghoul after an attack. It's a brutal exploration of violence, survival, and the human condition.
* Parasyte -the maxim-: A parasitic alien attempts to take over a young boy's body, but fails. It's a science fiction horror that blends horror and social commentary.
Remember that these are just a few suggestions, and there are many other anime out there that might suit your taste. Feel free to explore different genres and explore anime recommendations based on your specific preferences!