I can't forget it (1st volume 1)

Publisher: Kodansha
Author: Yukari Kawachi
Size: 112mm x 174mm
Number of books: 1
Language: Japanese
Category: Girl manga, manga
Latest release date: 1995-10-13

Synopsis:
"Let's break up" ──. Nae, a beloved lover, suddenly told me an incredible word from Ryo. The one who saved her from despair was a message from a strange boy flowing from the radio ...!?