The Distant Adjoining Room

Amagi Shizuko adopts a stray cat and names it Muru. She just moved in and has not introduced herself to her neighbors yet. Whenever she tries to no one is at home. Ren often comes to visit her. A few days after adopting the cat, she begins to receive mysterious prank calls. Items that she did not order were delivered to her house. She also receives threatening letters, warning her to throw out the cat. Amagi does not know what to do as she does not have enough money to move out yet.