CARAT CORPORATION

two well known companies have collided together, only to find out they're meant to be rivals.

"CARAT CORPORATION AND NEO CULTURE TECH AGENCY, ANNOUNCING COLLABORATION: REVIEWS ARE LOW?"
- xxx: DO NOT BUY FROM CARAT CORPORATION AND NEO CULTURE TECH AGENCY, THEY ARE RUMOURED TO BE DECLARING A WAR!!

the two establishments have realized something wrong, but what is it?
their history has not been written in the internet, so they have to experiment, investigate and have subtle teamwork in order to find out why they're forbidden to have an interaction with one another.