Is AOT The Last Attack Part Of The Main Series?

Gideon Snow presides over Oasis Vale. A warlord who dominates the battlefield, the king of the underworld, a country's military governor, the king of strength, the king of destruction, and the king of information… Many world-class giants are busy farming in Oasis Vale. When Gideon's fiancé, a female war hero, arrives to call off their engagement, he knows it's time for him to look at the outside world. The world will tremble at his feet.

There is other life beyond earth. Jai was pushed into the river by his ex-girlfriend's boyfriend and thought that it was the time of his death. Miraculously, Jai survived, but he woke up in strange world with twin moons. At night, a spirit popped up in Jai’s dream and told him to kill White Dragon who was murdering people in the past. Not only that, Jai suddenly received the ability to control thunder. When Miria, the beauty girl from Letush who let him stayed in her house, suddenly became ill, Jai joined a tournament in Aeronvein Kingdom to win her cure. Can he win the tournament and get the medicine for her? How can Jai survive in his new world afterwards?

Who is Eren? "My bodyguard." ~ Being the daughter of the wealthiest man of the town can be more problematic than one thinks. When a bunch of menaces frighten the Aiyer, a bodyguard is called to order. But he is not the typical bodyguard. No suit, no earpiece. Just a thick black leather jacket with grey jeans and black boots. But little does Hayat know who he is really. ~A refreshing, hot and romantic novel with a touch of mystery to sparkle your feelings~ Warning: Mature contents

Floods, tsunamis, heatwaves, acid rain, deep freeze, earthquakes… In her last life, Sophie Zurer survived a grueling eight years after the apocalypse, only for her parents to die tragically while her brother melted in the acid rain. Born again, she avenged her parents, and with a void pocket in hand, she began to stockpile everything from weapons to food, agricultural manuals, and medicine… Eight years later, the city was once again torn apart by earthquakes while the oceans devoured the continents. However, while Sophie survived with her family, the apocalypse cranked up in difficulty as if it were a video game! This time, there were erupting volcanoes, undersea volcanoes, lightning storms, scalding seas, and fireballs falling from the skies… The apocalypse of the land was just the prelude to the apocalypse of the deep sea! Where would humans live when the last island was consumed by the sea?

In the era of mystical magical creatures, "The Continent" is a magical realm where all supernatural beings co exist together under a peace treaty. The continent is a barrier between the demon realm and the human world, and its land is blessed with an immense amount of magic. But, When the seal of time breaks, enemies once again rise from the depth of drakness, the protectors are born, and tasked to finding their way towards each other to help prepare for the last war.

Akira, daughter of fruit vendors, was living happily with her family in Ehtrehto Edis. A world far from the human world. Her family got killed by the Aquans, headed by the cruel general of Aqua Edis. She was able to escape but she was chased by his men. Marcus, the son of Aqua Edis King, helped her to escape to the human world where Martin and Margarette adopted her and allowed her to use their lost daughter's identity. She was then known as Adele Brown. When they died, she was left alone in their house. Her life is set to one ultimate goal. That is, finding the real Adele as Martin's last wish. Akira happened to help a woman from wicked men. It's Catherine whom she later became friends with. One incident leads her to suspect that Catherine is the real Adele. That same day, the nightmares from her fast flipped backward. She crossed paths with some Ehtrehtians, who together with his long been friend, Hunter, persuaded her to flee back to Ehtrehto Edis. Akira's identity was then revealed. She's Lady Amara, one of the four Guardians of Lights and the last immortal. She was faced with many battles when she came back to her world. The Aquan king is determined to kill her and even sent an assassin to kill her. In Manhakan, a village where people who do not surrender their loyalty to any of the four empires of Ehtrehto Edis live, she had a face-to-face encounter with General Thud, the one who headed in the killing of her known family. Just when they were about to be defeated, Hunter, Ignis Hella Knights, and her biological father King Suxx came. Will they be able to save their world? Is Catherine the real Adele as she suspected?