Dakudisento (The Dark Descent)

Kai, Tea, Thristan and Joey are a group of good friends whose world has been turned upside down. Monsters have risen up from Hell to kill everything and everyone on Earth. Then the group that all was lost when they get cornered by the monsters who are rescued by a mysterious man named Kugo Ginjo. He asks for there help to keep these monsters from ever reviving. So Kugo teleports the group to a different world with obscure animals and plants. The group then join The Order who are an army of holy warriors whose soul purpose is to fight these evil monsters. Kai, Tea, Thristan, and Joey will have to train and test their skills to be able to defeat the Dakudisento (The Dark Descent).