During the interstellar Spring Festival travel rush, tickets were in short supply. In order to go to Earth for an interview, cartoonist Li Ha was forced to take an interstellar taxi, with a door that didn't even close. Due to a strange combination of circumstances, accidents occurred frequently during this trip, and Li Ha unexpectedly married his beloved wife and gave birth to two children in one day. They are the wife Damei who is wandering around the galaxy, her daughter Nana, the Iron Fist girl, and the robot Xiaodang. This piece of happy pie has been ruining Li Ha for ten years. The mysterious family members who are interstellar agents often provoke alien weirdos, causing them to fall into major crises again and again. Li Ha's adoptive father Li Dalong also begins to show up?

Yuke, a red mage, angrily declares that he's leaving Thunder Pike, the A-rank party he's been with for five years, because he's fed up with being insulted and ridiculed by the other members. While searching for a new party, he runs into his former students Marina, Silk, and Rain, and decides to join their party, Clover. Encouraged by their admiration of him as their teacher, Yuke leads them in completing several quests that show off his own extraordinary magic and skills while bringing out the girls' abilities to their fullest. Then, through an "adventure broadcast" by an artifact known as Camelot, Clover becomes well-known throughout society. The party's dream is to conquer Achromatic Darkness, the most challenging dungeon of all, but as they take on other dungeons in hopes of eventually achieving that goal, they gradually become entangled in chaos that threatens the whole world...

Rumors stir throughout the land: when the wielder of the black sword draws his dark blade, all who stand in its path are torn asunder...! Köinzell, the mysterious young boy who carries the black sword, undeniably wields it with exceptional skill, but can he truly be responsible for the bloody rumors? Pursued by the Traitorous Lances, four powerful warriors who were thought to have been defeated by the Seven Heroes, the strength of the young swordsman will be tested to its limit. At battle's end, only the shocking truth of Köinzell's quest will stand above the corpses of his enemies... An epic fantasy on the grandest of scales!