Duke Fleed is a survivor of the Fleed Planet who is escaped to the Earth, onboard a mysterious "spaceship", where is raised by Dr. Umon as his adoptive son, and known as Daisuke Umon. Years after his arrival, he's faced with the threat of King Vega and his army, who want to conquer the Earth. With his friends Koji and Hikaru (and later his younger sister Maria Grace), Duke decides to fight back using his best weapon - the almighty Grendizer.

During his school computer class, Saneatsu Narita is presented with a strange screen posing a yes-or-no question that quickly disappears. The next day, Saneatsu wakes up to a world where everyone, save for himself and a few others, is dead. An announcement from a mysterious figure known only as the Emperor begins to shed light on the situation. The question that Saneatsu saw on the screen is part of a game called Tasuuketsu. Every day, the survivors will see a question appear on a screen, and answering it will determine who lives to see the next day. Responding the same as the majority will guarantee death, and the last player standing will earn the right to meet the Emperor. Saneatsu resolves to beat the Emperor at their own game, making use of the hidden envelopes containing powers that can aid the players. With the help of his small group of friends, Saneatsu must avoid falling into the machinations of the other players and win this wicked game.

The Xuanling Sect, the head of the four major sects, came to Shuicheng to select disciples for the first time in many years. The Fang and Qin families started fighting openly and secretly around this opportunity that would determine their fate. In the end, Qin Nan relied on his dedicated training, excellent talent, and the God of War Soul obtained by chance, and under the fair judgment of the messenger Xiao Qingxue, he successfully reversed the decline and defeated the Fang family. After entering the sect, Qin Nan aroused the hatred of Ouyang Jun, the son of the sect leader, because of his involvement in Xiao Qingxue's forced marriage. In order to continue to become stronger and repay Xiao Qingxue's kindness, Qin Nan repeatedly defeated powerful enemies, won the first place in the Wanxiang Competition and the Outer Sect Competition, entered the Wuyuan Pavilion with the four major sect geniuses, and obtained the power to stir up the continent. A shocking secret, an appointment with Leng Feng to fight in the Palace of Life and Death, overcoming the siege of Linshui City by the Beihai family, exploring the Nine-Character Mantra Tower, and vowing to fight the evil forces of the sect to the end.

The fifth season of .