Date A Live Light Novel Series by Koushi Tachibana, Tsunako

A spirit in flames, a town on fire… Shido was determined to save Kurumi and Mana. He simply had to. At the critical moment, though, he found himself immobilized, unable to keep his promise. Had Kotori Itsuka not shown up at the last second, everything would have been over... Nevertheless, Shido feels like his world has come crashing down, especially after discovering his little sister is a Spirit, too.. moreA spirit in flames, a town on fire… Shido was determined to save Kurumi and Mana. He simply had to. At the critical moment, though, he found himself immobilized, unable to keep his promise. Had Kotori Itsuka not shown up at the last second, everything would have been over... Nevertheless, Shido feels like his world has come crashing down, especially after discovering his little sister is a Spirit, too... Now he’s been called to save her using the only method he knows: taking her on a date and making her fall for him. He needs to act fast—because he only has one day to complete this seemingly impossible mission! less

"Can you guess which one is me?” The Seventh spirit, Natsumi, can seemingly transform at will and masquerade as anyone, even people Shido know very well. His only option is to date everyone until he can figure out who Natsumi is pretending to be…but there’s twelve whole suspects!

Five years ago, Origami’s parents were killed by a spirit the same day Kotori became a spirit. And that’s when Tobiichi Origami changed forever. To make sure the worst doesn’t come to pass, Shido has gone back in time and there’s only one thing to hange the world.