July 18, 2027.

Axel came home to his quiet house. He inserted the key on the doorknob and slumped his heavy body against the wall. He was exhausted. Every inch of his skin aches all over.

When he crouched down to undo his shoelace, his stomach flared up in pain, and he groaned. This is Axel's everyday life. He comes back home battered all over. He also doesn't have anyone to welcome him home.

Axel is a seventeen year old high school student. He doesn't live with his family anymore. His parents are dead. And his only relative, his sole brother, is now inside the Tower.

Ten years ago, on July 7, 2018, a huge black Tower appeared at the center of the world. Nobody knew how it happened. Nor anyone saw when it appeared. It's like the whole Tower just came into existence. Like how magicians whisked out a card in their empty hands.

The appearance of the Tower caused a massive uproar among the public. With panic and anxiety, all citizens demanded an explanation from the national leaders, armed forces, and the government.

But the leaders were also at a loss. Hundreds of talented researchers from around the globe were sent to investigate the origin of the Tower. However, nothing can be found.

A massive light wave was unleashed one week after the mysterious Tower appeared. It carried a strong wind force that pushed the sea waves to the shore. Some of the tall trees were bent, and others were broken.

The whole world was in catastrophe.

But just as how fast the wave appeared, it also vanished right after it surrounded the whole Earth. The next day, the news exploded, and videos recording the phenomenon exploded on the internet. People are ranting, arguing, and exchanging theories in the media that the government can no longer suppress them.

Those who live near the Tower were packing their bags and moving out of the city, scared of what was to come. The citizens hoard food packs and other daily necessities. Some stayed in their homes, praying to the heavens that nothing would happen.

On the third day, things started to get weird. People started hearing things. The first person who experienced it had someone record the whole process and upload it on the internet.

This young man was crossing the streets when a huge truck beat the red light. The truck did not slow down its speed even though people were crossing the pedestrian lane.

The truck driver drove in a frenzy as if the brake had broken. People trying to cross the road immediately ran back to where they came from, afraid of being hit by the truck.

But it wasn't the same for the grandmother and grandson pair. The grandmother could not run fast, and the young boy was scared stiff at the incoming truck.

Everyone in the area screamed for the grandmother and grandson pair. And just as when the truck was only a few meters away, a black shadow emerged, removing the two persons from danger.

The young man arrived at the edge of the crossroad just as the truck finally came to a halt in the middle of the crossing. The young man embraced the little boy and asked if he was hurt. The little boy did not answer and just cried in his arms. The grandmother was also too stimulated. She could not open her mouth. Her knees buckled, and he supported her. The onlookers could not help but be curious. Some called for the police to report what happened.

When the police from the nearby station came, they helped the grandma calm down, and other people comforted her and the little boy. The truck driver surrendered to the police and was taken away for questioning.

The young man, seeing the two pair were in safe hands, turned around and walked away. But he suddenly stopped when a golden light flashed in front of his eyes.

[Congratulations! The Tower of Erase is moved by your justice in saving a person from getting killed.]

[The Tower of Erase will reward you with a Swordsman skill! Please continue doing your good deed.]

A shining gold light was emitted in front of the man. And a golden skill card was revealed to him. The young man was at a loss. Under everyone's shocked gaze, he took the golden skill card. When it brushed against his fingertips, the card immediately transformed into a huge gleaming silver sword.

His video of receiving a skill card from the Tower gained much attention worldwide. This young man's name is Nyx Hart. And he was Axel's older brother.

After a few hours of that ruckus, the media reported different scenarios showing the same thing happening to other people in different countries.

That was the start of Nyx's legend. Since he was the first discovered challenger, he walked inside the Tower. Not out of choice but because the Tower of Erase forced him to attack it.

When he entered, he was immediately attacked by the Tower's creatures. And he was trapped inside for three days.

Axel thought that his brother had died. He did not go home for the next three days since his brother entered the Tower. He slept at the inn a few meters away from it. Since the Tower appeared in the sea, he will know if his brother is back based on the incoming boats.

In fact, it was not only Nyx who came inside the Tower that day. There are at least 20 of them. And these individuals receive skill cards from the Tower of Erase.

Axel remembered how anxious he'd been. He doesn't want to lose his only brother. He doesn't want to be alone in this world. He deeply wishes he also have the skill Tower of Erase granted to humans. Not because he wants to be famous, he just want to stay by his brother's side.

When his brother came back after three days, Axel knew he had changed.