怪獣から人々を守る防衛隊・GUTS-SELECTの一員となり地球にやってきたケンゴの前に、吸血怪獣ギマイラが現れる！
さらに復活した第２の闇の巨人ダーゴンも！その圧倒的超パワーに対抗するには、トリガーもパワーを上げるしかない！\n新たな力が目覚める時だ！！
After Kengo comes to Earth to become a member of the defense team GUTS-Select and protect people from monsters, the Vampire Monster Gymaira appears! To make matters worse, the second Giant of Darkness, Darrgon, has been resurrected! In the face of such overwhelming strength, Trigger has no choice but to increase his own strength too – and that’s when a new power awakens!!
