Dark Love Comes to an End: Taking a Bus to the Underworld After Work

[No system + super power + slight fear + slight coolness + no brainlessness + no heroine] "When will the bright moon come? Ask the sky for wine. I wonder what year it is today in the palace in the sky?" A young man entered the underworld by mistake... He came to what people call "nightmare" and "taboo"... The real danger is never the endless darkness, but the lucky "light" in the endless darkness... One day in the sky is one year on the earth; one day on the earth is one year below the ground... "There shouldn't be any hatred, why should we say goodbye..." Many years later... The moon was full, but a piece of the boy's "heart" was missing at some point. He stood alone under the moon, holding a broken sword in his hand, and behind him was a mountain of corpses and a sea of blood... "People have joys and sorrows, separations and reunions, the moon waxes and wanes, this is a difficult thing in ancient times..." Those who stand in my way will neither last long nor share the beauty of the moon.