English releases on file: Aug 9, 2022 – Jun 13, 2023.
The Tunnel to Summer, the Exit of Goodbye: Ultramarine
4 volumes
- Volumes
- 4 in the canonical sequence
- English packaging
- 4 books, 4 releases
- Publishers
- Seven Seas Entertainment
- Also known as
- Natsu e no Tunnel, Sayonara no Deguchi Gunjō, The Tunnel to Summer, the Exit of Goodbyes: Ultramarine, 夏へのトンネル、さよならの出口 群青
Reading path
Seven Seas Entertainment · 4 books in reading order
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