My tenants are monsters

Became a time traveler for the first time, and inherited a fourth-floor apartment in Tokyo.
Shiraishi Rin, who originally just wanted to lie down and collect rent, gradually realized that the world was abnormal.
"Apartment manager? Isn't it just collecting rent? Isn't that enough?"
"Wraiths, cats, zombies, ghosts...so, are there any humans in this apartment besides me?"
This book is also known as "All Tenants Are Not Human" and "I Collect Rent from Specter"