W: Wish

Twin sister Senna is the sister of the main character Junna. He attends a top school as an average student. However, he had lost his parents and his memory in the past due to a car accident. Despite being cared for by his relatives, Junna has only ever lived with his sister since surviving the accident. And today... He is able to forget the traumatic past because life at the same high school with Senna is so enjoyable. His experiences in this place, such as the start of a new life, new locations, and the meetings, are so refreshing for him because he has been in a world where there is only Senna. But he starts to remember the memories he thought he had lost in the tragedy. Despite having good times, he is always thrown off balance by the past, present, and future. What secret truth does his memory hold?