Summer Time Rendering (manga)

Summer Time Rendering (サマータイムレンダ, Summer Time Render) is a Japanese manga series written and illustrated by Yasuki Tanaka.

Plot
Hearing the news of the passing of his childhood friend Ushio, Shinpei returned to his hometown on the remote island of Hitogashima to attend her funeral. Little does he know that it is the beginning of a summer full of mystery and horror! No one is prepared for the time-twisting adventures ahead that defy life and death!