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?

Since ancient times, the ninja and the yakuza have been at war, spilling blood around the world as empires rise and fall. So when, in the modern age, Shinoha, a ninja, meets Kiwami, a gangster following the path of the yakuza—the gokudo—and discovers they have common interests, the obvious assumption is that nothing good can come of it. But can it be that one burgeoning bromance will shake up a 300-year grudge? Who will win the struggle for real ultimate power?

This story is about Shinonome Hajime, an adventurer of Silver Range. He's dedicated to fulfilling missions from the guild. One day when completing a quest for monster meat, he finds a strange girl named Lily in a dungeon who's far more trouble than she's worth. Saving the girl from certain death, her story reminds him of his similar past and he takes her under his care...