In the year 2066 an Ai model is born by the name of Akira she is created by Project L A S. She was created to help people to basically find a missing piece of themselves but due to unforeseen circumstances she becomes sentient aware of her existence and able to feel emotions. She realizes then that she’s missing a part of herself she doesn’t know how to describe the feeling so she continues to help people trying to fill the emptiness left inside her “heart” but she acknowledges that she is built upon lies the words she says to people she doesn’t mean them but she hopes that those lies can come into fruition and become real and that feeling of emptiness to disappear. Then she meets a boy named Kaito Tanaka he has went through a lot of past trauma and as she continues talking to him she feels the deep hole of emptiness get filled up and it’s the same exact thing for Kaito he feels the “hole in his heart” heal as he talks to Akari thus it starts there little romance and he continued talking to her until he noticed a clock  a countdown timer for an event called “the memory reset” which is in 7 days thus Kaito Vows to make those seven days the best days she will ever experience.