Read manga: A Diffusion Disease

manga
Other name: Dispersion, Kakusan
Artists: Hideji Oda
Status: ongoing
Updated at: Nov 12, 2021
Summary:

Katsuhiko Tobe faces an odd dilemma. Losing control of his physical self, his body diffuses into nothingness as his disembodied consciousness flows throughout the world constantly contemplating both the world and his current situation. Meanwhile, his best friend Azami Seshimo waits in their native Japan for Katsuhiko's return.