Rud is a tank of the Hero's Party and is said to have the highest defense ever in history. The party often does labyrinth raids, but to Rud, it means more than just a raid. To cure his beloved sister's illness, he is in search for the wish-granting treasure that might be hidden in those labyrinths. But one day, the arrogant hero kicks him from the party after an unsuccessful raid attempt, blaming it on his skills whose effects he is still unaware of. With nowhere else to go and nothing to do, he decides to return to his hometown, where his sister is waiting. On his way there, he saves a girl who was being attacked by a monster. Unexpectedly, this girl has an extremely rare skill called Appraisal. Thanks to her skill, Rud is able to discover the truth behind his unknown skills, which turn out to be very powerful skills. With a defense of 9999 and powerful skills, thus begins the adventure of the strongest tank, Rud! (Source: Square Enix)

Legend has it that when you eat the flesh of a mermaid, you would live forever. Yuta and Mana are living proof of this... Together, they journey to various places trying to find meaning for their existence, or perhaps even a cure for their situation. One day, Yuta and Mana meet Masato, a little boy who seems terrified of his mother Misa. It seems to Yuta and Mana that mother and son have a very unusual relationship. What happens when Yuta and Mana decide to discover the dark secret Masato and Misa are hiding? And what about those monster-like creatures that have been appearing? (Source: AniDB)

When he was a young boy, Afro witnessed his father be cut down in a duel at the hands of a man known only as Justice. After taking the life of Afro's father, Justice cast aside his Number Two headband and took the Number One to claim its godly powers as his own. Years later, having obtained the Number Two headband which grants him the right to challenge the Number One, Afro moves forward in his hunt for revenge on the man who murdered his father. There is just one thing that stands in his way—everyone else in the world! Though the Number One can only be challenged by the Number Two, the Number Two can be challenged by anyone. As his enemies gather to try and take the title of Number Two, Afro must fight through a myriad of foes and obstacles if he hopes to reach the Number One and claim vengeance once and for all.

The story takes place on the planet Maris in the year 2387. Around this time, the Nozas started to genocidally kill all humans in order to lay eggs and reproduce on the planet. Three mysterious guns dubbed the Zillion Weapon System appear and three teens (JJ, Champ, and Apple) are chosen to wield them as the White Knights in order to fight back against the Nozas. (Source: Wikipedia)