Box of Light manga volume 2 features story and art by Seiko Erisawa.

A convenience store lingers at the boundary between life and death. Its faint glow in the darkness draws in unsuspecting souls, pushing them closer to the final purchase they’ll ever make. Yet for the quirky employees who work there, it’s a job much like any other, if undeniably more strange. Now, the time has come for the past of the store’s enigmatic and supernaturally gifted manager to be revealed…