Artificial Mermaid is set in the future after a war. Many chemical weapons were used in this war thus causing heavy pollution. The pollution deteriorates peoples healths so they developed a way to prevent unecessary deaths due to this pollution. People have LMC (Life Microship) implanted into their bodies. The only drawback to this is that lots of crimes have surfaced involving LMC use. To handle these crimes, a team was created was the government named LWC (Lifemicrochip Crime Commando). The protagonist of the game (also the character that you play), named Yuri Mimori is the newest addition to the LWC team. He is joined by his childhood friend named Ibiki. Roy, the captain gives a tour of the LWC headquarters where Yuri meets the rest of the team.
Summary by jujika