After peace is restored in Ayaka-shi, Isami and Asahi both move forward to acheive their dreams. Pondering his future path, Katsumi meets his high school buddy who aimed to become a game creator, but quckly learns that he has quit his job and spends most of his time playing games. While Katsumi is shocked, a mysterious being named Tregear approaches the weakness in his heart and sends him to a planet far away. On Earth, monster Snake Darkness appears! Katsumi will have to find his way back to Earth and reunite with his family...