Hayakawa Publishing

Koyomi Hidaka and Shiori Sato meet at his father’s research center and begin to fall in love, but so do their parents, who eventually marry. To avoid becoming stepsiblings, they decide to run away to a parallel universe. Traveling between dimensions is common in their world, but not without repercussions. Does a universe exist for the young couple, and what will it cost them to find it?

While struggling to make friends after his parents’ divorce, Koyomi Takasaki meets Kazune Takigawa, but apparently, they already have. Kazune reveals that she’s from World Line 85, an alternate universe in which she and Koyomi are lovers. But in a reality where moving between dimensions is natural, could Koyomi be the one from another world?

A pioneering roboticist awakens in 2025 after decades in cryosleep. To change the past and reunite with his adopted sister, he seeks a way back to 1995.

A friend of the detective has been is murdered. During the investigation, he comes across a source which tells him that his friend was murdered for involvement with the dark side of the political world. On top of that, a woman approaches the detective with a request.

In order to find a missing university student, a detective and his buddy get involved with the owner of a modeling agency.

Yasuhiko is a transfer student to a classroom with Miyuki. She barely notices him until he suddenly appears before her in the library. The truth comes out: Yasuhiko is from the future. Bound by this special secret, they become closer and closer. Yasuhiko reveals that this trip is inspired by a book from Miyuki’s era, a book, she later learns from her future self, that she authored. On the day of his departure, Miyuki makes a promise, that she will write that novel to treasure this unforgettable summer, just as her future self says. Ten years later, the book is about to be published. As Miyuki waits to reunite with her past self, nothing happens! Did something go wrong in the past? Are there more secrets to come?