Mei Hachimoku Author

Mei Hachimoku is a Japanese author best known for The Tunnel to Summer, the Exit of Goodbyes and Wait For Me Yesterday in Spring.

Koudon is a Japanese artist best known for series including Jinrou Game and The Tunnel to Summer, the Exit of Goodbyes: Ultramarine (Manga).
 
KUKKA is a Japanese artist whose artwork has been used in multiple light novels, including The Tunnel to Summer, the Exit of Goodbyes.