After Chen Siyu and Chen Ruixuan finished eating the delicious Ginseng Fruit at Five Villages Temple, they heard all sorts of legends about the Underworld. Their curiosity overflowing, the siblings decided to go take a look for themselves.
Using their marvelous divine powers, they arrived at the entrance to the Underworld in an instant. The gloomy Underworld was filled with chilling cold, thick with ghostly aura, while all kinds of mournful cries echoed around them. Though Chen Ruixuan was a little scared, he still clutched Chen Siyu's hand tightly and stubbornly declared, "Sis, I'm not scared at all." Chen Siyu patted her brother's head and reassured him, "Don't be afraid, little brother. With your sister here, there's nothing to fear."
They followed the Yellow Springs Road onward. The lycoris radiata along the roadside bloomed as red as blood, swaying gracefully in the wind. Suddenly, a group of Ox-Head and Horse-Face guards wielding Steel Forks aggressively blocked their way. "You two little ghosts, where did you come from? How dare you trespass into the Underworld!" Ox-Head roared. Chen Siyu raised her chin and said matter-of-factly, "We heard the Underworld was fun, so we came to have a look. Move aside." Horse-Face sneered. "Do you think the Underworld is somewhere you can come and go as you please? Seize them and take them to King Yama!"
In the blink of an eye, Ox-Head and Horse-Face swung their Steel Forks and stabbed at the siblings. Chen Siyu remained calm. With a light wave of her little hand, a gentle glow instantly enveloped Ox-Head and Horse-Face, leaving them unable to move. Chen Ruixuan clapped and laughed. "Serves you right for bullying us! Now you know how strong we are!" The siblings swaggered past the immobilized Ox-Head and Horse-Face and continued deeper into the Underworld.
Before long, they reached King Yama's Palace. King Yama sat high in the hall, his expression dark. Seeing the two uninvited guests, he bellowed, "Who are you? Why have you broken into my Underworld and disrupted its order?" Chen Siyu blinked her large eyes and curiously studied King Yama. "We're just looking around. We heard the Underworld had lots of interesting things. Don't be so fierce."
King Yama was so furious that his beard bristled and his eyes bulged. He slammed the Gavel. "Insolent children! The Underworld is a place of life, death, and reincarnation. How dare you treat it as a game! Black and White Impermanence, seize them!" At his command, Black and White Impermanence flashed out from either side, gripping Mourning Sticks as they pounced on the siblings. Chen Siyu lightly stomped her foot, and Earth Walls instantly rose from the ground, blocking Black and White Impermanence's attack. Seizing the chance, Chen Ruixuan pulled out a Slingshot from his pocket, loaded it with a small stone, and fired at them. The stone carried strange power, knocking Black and White Impermanence all over the place.
Seeing this, King Yama knew these two little ones would not be easy to handle, and inwardly groaned. But as the ruler of the Underworld, how could he show weakness so easily? He rose to his feet, muttering an incantation as he summoned the Underworld's treasured artifact—the Book of Life and Death. King Yama opened the Book of Life and Death, intending to see just who these two children were and whether their names were recorded within it. Yet after searching through the entire book, he could not find either Chen Siyu's or Chen Ruixuan's name.
King Yama was greatly shocked and realized that these children were far from ordinary. At that moment, Chen Siyu smiled and said, "King Yama, don't waste your effort. We're not ordinary people. Your Underworld is so gloomy and not fun at all. Why don't we help you renovate it?" King Yama looked at her suspiciously. "How do you intend to renovate it?"
With a wave of Chen Siyu's little hand, countless rays of multicolored light flew from her palm and scattered into every corner of the Underworld. Wherever the light passed, the once-gloomy Underworld began to undergo marvelous changes. The lycoris radiata lining the Yellow Springs Road became even more brilliant and began to give off fragrant bursts of scent; the sounds of ghosts wailing gradually disappeared, replaced by cheerful notes; even the buildings of the Underworld became much brighter, filled with a little more life.
Chen Ruixuan did not sit idle either. He ran to the Bridge of Helplessness and said to Meng Po, "Grandma Meng Po, your soup is too bitter. I'll add something to it." As he spoke, he pulled out some mysterious powder from his clothes and sprinkled it into Meng Po's Soup. In an instant, Meng Po's Soup became sweet and delicious. The ghosts about to drink it all wore satisfied smiles after taking a sip.
King Yama watched the earthshaking changes with both shock and delight. He was shocked that these two Cute Kids possessed such divine powers, yet delighted that the Underworld seemed livelier after their renovations. Chen Siyu looked at King Yama and said, "King Yama, the Underworld should be like this from now on—happy and cheerful. Don't always be so serious." King Yama smiled helplessly. "Very well. Thank you both, little friends, for bringing this new look to the Underworld. But you must not barge in so casually again."
Chen Siyu and Chen Ruixuan giggled as they agreed, then left the Underworld under King Yama's escort. After this trip to the Underworld, the siblings left behind another astonishing and wondrous tale there, while their legendary adventures in the Primordial World were far from over...
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