Other titles :
ビーエムネクタール, 究极生物, Bio Meat, Bio Meat: Nectar, Bio-Meat, BioMeat: Nectar, BM ネクタール, BM: Nectar
Author(s) :Fujisawa Yuki
The basic idea is that man is having a hard time finding food and getting rid of their trash, so science comes up with a bio-engineered animal that survives by eating trash, and is then killed to feed humanity. You can guess what may happen if a self-replicating, endlessly hungry killing machine got loose in Tokyo.