Ashita, Boku wa Shinu. Kimi wa Ikikaeru. (Volume)

is the first volume of the Ashita, Boku wa Shinu. Kimi wa Ikikaeru. light novel series, written by Maru Fuji and Illustrated by H2SO4. It was released under the Dengeki Bunko Imprint in February 2013.

Synopsis
Half of my heart is made up of a beautiful girl who should have died. "My lonely" and "Unfortunate girlfriend" whose hearts change every other day. A personality hijacked youth story of two people who can only meet in an exchange diary!

(source: Dengeki Bunko Official Website - Translated)