Tunnel to summer, exit to goodbye

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High school student Kaoru Tono stumbles upon a mysterious tunnel that seems to allow him to travel back in time. To save his sister, who died in a fall five years prior, he decides to enter the tunnel and explore its secrets. Unexpectedly, he's discovered by new transfer student Anko Hanashiro, and the two decide to team up to uncover the tunnel's secrets.

出版日期/Publication Date：November 1, 2022
出版社/Publisher：百花文艺出版社
出品方/Imprint:Tianwen Kadokawa
页数/Page: 266