Lin Yi, a post-2000s young man, was oppressed by his unscrupulous boss and angrily ‘fired’ his leader. At a loss for what to do next, he accidentally activated the ‘Sudden Wealth System,’ which allowed him to experience countless professions and reap generous rewards. He found great satisfaction in shaking up the workplace and continued to enjoy the thrill of reforming it. With the system’s assistance, Lin Yi won the heart of a beautiful woman, built his own business empire, and became a wise and wealthy successful person, ultimately reaching the pinnacle of life!

One Night Sake Cup On his way back home from an errand, Takashi Natsume gets lost in the forest. Luckily, he is rescued by a traveling youkai couple who make sake cups for a living. Taking a sip of water from one, Natsume feels a surge of energy rush throughout his body, thanks to the "One Night Cup." It is a special cup that makes every drink delicious, but unfortunately, its effects last only for one night. The following day, Natsume attends the youkai banquet with his loyal protector, the sake-loving chubby cat Madara, and gets the once-in-a-lifetime opportunity to learn how to make sake cups. Party of Fun & Games Natsume is filled with regret after hastily declining a rare invitation to a banquet from Madara. Curious, he chases after the cat to an old, run-down mansion but soon enough feels the uncanny presence of numerous youkai nearby. When he runs into the seductive youkai Hinoe, she explains that the empty estate serves as a hide-and-seek playground where the winning spirit acquires authority over a valley. With still no trace of Madara, Natsume starts having eerie dreams of the mansion, but this time as the game's participant.

AD 1999, the Earth was in a critical situation; a planet Lar Metal was approaching to the Earth. Meanwhile, Yukino Yayoi was heard about Lar Metal from Dr. Amamori of Tokyo Observatory. She was a junior high school teacher, but she also worked for Dr. Amamori who appreciated her astronomical knowledge. Actually Yukino Yayoi was Queen Millennia who had come from Lar Metal 1000 years before, and she had been watching human beings since then. Soon, numerous meteors fell on the Earth, and people were in panic. In this catastrophe, Hajime, who was a student of Yayoi, came to help Yayoi. Yayoi invited him into a big cave under the ground.

In the middle of another break from school, A-Ko dreams of finding the perfect boyfriend. Because of this, she and C-Ko get into an argument that leads to C-Ko running away and nearly getting hit by a motorcyclist named Kei. While working part-time at a fast-food restaurant to raise money for a party dress, A-Ko meets Kei and immediately falls in love with him. B-Ko happens to like him as well; however, both A-Ko and B-Ko are unaware that C-Ko is the apple of Kei's eyes.