Sachi's Monstrous Appetite manga volume 4 features story and art by Chomoran.

The massive kanetsuki watari has managed to take Makie’s friends and even Miss Manager. Onigashima’s ferocious attacks can only buy time as Makie and Sachi are tasked with a dangerous plan that requires Sachi to take the biggest of bites. But facing such a giant watari comes at a cost. After fighting the kanetsuki, Sachi’s energy is depleted and she can no longer maintain her human form. She and Makie journey to Sachi’s hometown to search for a way to replenish her energy, but something terrible awaits their arrival…