Paperback|168 pages

The award-winning, bittersweet sci-fi tale of a mysterious tunnel, time travel, and young summer love by the creators ofWait For Me Yesterday in Springinspired an anime film! And dont missthe original light novel, also from Seven Seas.

Kaoru heard a rumor: The laws of space and time mean nothing to the Urashima Tunnel. If you find it, walk through and your hearts desire will be on the other sidein exchange for years of your own life. The new transfer student Anzu promises to help Kaoru experiment with the mysterious tunnelbut what does she want from Kaoru in exchange? And what will he have left to give, after the tunnels done with him?