If you're looking for manga similar to Pet Shop of Horrors: Hyouhaku no Hakobune-hen, you might like these titles.
“Please keep in mind. This shop is not responsible for any harm caused by the electronic device.”
When the lonely Hiiragi Yasase learns that he has a long-lost half-brother, he decides to meet the man–but is shocked by what he discovers. His brother is the proprietor of a pet shop, one that is actually a front for supernatural rentals. Customers in-the-know can rent out yokai to perform supernatural deeds. There’s just one catch: they have to forge a contract written in blood…
A quiet convenience store hovers on the boundary between life and death. Its faint glow in the darkness draws people toward it, pushing them closer to the final purchase they’ll ever make…and is that a monster in the magazine aisle?!
A mysterious variety store along the seashore. The mysterious store is said to sell people's "feelings". The owner stares coldly at the customers who are drawn to the store, buy the products, and then follow their mysterious destinies.
I'm a merchant that likes to collect evil things. Everything that belongs to the dead is worth having! Embroidered shoes that can walk on their own? I want them! Blue and white porcelain set made from human ashes? I want it! A straw cutter used to cut people in half? I want it! If placed in the hands of ordinary people, these items will haunt them and ruin their lives.But, if placed in my hands, they can bring infinite wealth, change fate, and satisfy one's every desire! Do you want to know the reason? Then, come and listen to this story of mine. That is, if you’re courageous enough…
On the rooftop of an abandoned department store, there is a pet shop called Lucky Animal. But Lucky Animal is no ordinary pet shop, the pets sold there are believed to be lucky charms that can help their owners avoid disasters.