[Machine Translation] When she encounters his avatar, Fire, in GGO, and he behaves so tactlessly that she agrees to a marriage proposal with him. Ren promises to play a game of "marriage on the premise of a relationship". And so began the 4th Squad Jam. Ren wants to settle the score this time in a direct confrontation with his nemesis, SHINC, while also trying to win the game that will determine Karen's life... But for some reason, SHINC's name is among the sneaky collusion team that has teamed up to defeat Ren and his team, the favorites to win the championship...!