Nobita Nobi is an elementary student who hates studying, is bad at sports, and does everything half-heartedly. He is a pushover, unlucky, and fearful of many things. His personality makes him a failure in life, even affecting his progeny. This causes his great-great-grandchild, Sewashi, to take control of the situation. Sewashi travels back in time from the 22nd century to the 20th century to meet Nobita, who is shocked to see him appear out of his drawer alongside a blue robotic cat. The robotic cat calls himself Doraemon, who claims to have been pressured by Sewashi to assist Nobita, with their ultimate goal being to provide Nobita happiness. Frustrated after seeing Nobita's hopeless state, Doraemon decides to go back to the future. However, Sewashi activates a program within Doraemon that prevents him from doing so. Forced to stay, Doraemon helps Nobita using futuristic gadgets through his four-dimensional pocket—a bag containing anything inside it. Can Doraemon bring Nobita happiness and return to the future? [Written by MAL Rewrite]

Following a cataclysmic nuclear war, the world teeters on the brink of complete destruction. Civilization is polarized into a degenerate society where opposing packs of marauding scavengers prey on helpless, homeless nomads. For those who are lucky enough to survive the constant brutality and danger, it is a bleak existence. Life an death blur into abstractions. The only hope left for mankind is to find a hero worthy of becoming the next "Fist of the North Star" - an enlightened warrior - who is capable of leading those with the will to survive out of this barrenness into a new world. But in this savage no-man's land of shifting loyalties and power-hungry demi-gods, heroes are in short supply. 

(Source: AniDB)

In the mountains of north Fiore lies the Fire Village, where a lush-blue relic known as the Phoenix Stone is preserved. Entrusted to a mystifying woman named Éclair, it is said to contain the power of an ancient phoenix. She wanders the land alone and protects the stone from harm, despite having no memory of why it was left in her care and only the faintest recollection of where she must take it. 

After encountering the wizard guild Fairy Tail, Éclair receives an offer from Natsu Dragneel and his friends to help her uncover the mysteries surrounding the stone. However, in the midst of the group's journey, Éclair is suddenly attacked and the stone is taken from her. With this, nefarious intentions to revive the blazing phoenix for its unparalleled power come to light, and the wizards of Fairy Tail find themselves in a situation that could spell calamity. They must now work together to prevent the revival of the phoenix and save the world from ruin. 

[Written by MAL Rewrite]

Dragon Cry is a magical artifact of deadly power, formed into a staff by the fury and despair of dragons long gone. Now, this power has been stolen from the hands of the Fiore kingdom by the nefarious traitor Zash Caine, who flees with it to the small island nation of Stella. Frightened that the power has fallen into the wrong hands, the King of Fiore hastily sends Fairy Tail to retrieve the staff. But this task proves frightening as a shadowy secret lies in the heart of the kingdom of Stella. Dragon Cry follows their story as they muster up all their strength to recover the stolen staff and save both kingdoms.

[Written by MAL Rewrite]