Squad Jam is a battle royale that pits teams against each other. LLENN, a female player clad in pink, has teamed up withM, a burly man and talented sniper. At the beginning of the tournament, LLENN scouts ahead, but then an enemy team closes in…

Squad Jam will be held on Gun Gale Online's Japanese server. LLENN wants to participate, but her favorite artist has aconcert the same day. But when she can't get a ticket, she joins the tournament. She and her new partner, M head for the battlefield.