Shiori moves into a slightly unusual apartment and makes a fateful encounter with her neighbor Hirano, an aspiring novelist.
One day, she hears a mysterious voice in her new room--
"I'm talking to you from a year in the future. You're in danger."
The voice travels across time and space to save Shiori from being robbed and murdered.
When Shiori seeks advice from Hirano, he realizes that a "time paradox" will be caused by her life being saved.
It means she will be erased from existence a year later.
Shiori starts falling in love with Hirano, who tries desperately to help her, but their days together are numbered--

志织搬到了一家很神奇的公寓，在那里遇到了志愿成为小说家的邻居平野。有一天，她在新房子里突然听到了不可思议的声音―「这里是一年后的未来，你现在情况非常危险！」原来，本来要遭遇强盗杀人的志织，被穿越时空来自未来的声音而救助了。志织找平野商量，平野发现志织虽然躲过一劫，但她身上却发生了悖论。这意味着一年后，志织将会消失。志织被拼命帮助自己的平野所打动，却不知她与平野的分离也在慢慢的到来―。