phenomen a book

Eighteen year old Akira Katagiri applied to be a dormitory caretaker on a whim. Next thing he knew, his application was rammed through and the job was his. Akira now manages a dorm in which tenants from another world come to stay. However, his tenants may be carrying more baggage than what''''s in their suitcases. Some are scarred from war, others suffer from depression. Will this high school graduate be able to navigate his life as well as the livelihoods of others?