The poor student, Suigin, spent most of his days working various part-time jobs, and his only skill was video games. Suigin then meets the Madonna of the school, Riku Rei, through an online game. Howe…

Suigin finds out that his only way of interacting with Riku Rei was about to end. The game, “Dungeon Century,” was about to end all of its services. Suigin ends up in utter shock. However, in the game…

On the last day of services for “Dungeon Century,” many of the players had gathered online to enjoy some last-minute festivities. Riku Rei waits for Suigin to arrive, but ends up going to find the flo…

Riku Rei summons Suigin after her father, Riku Yuuki dies, and hands him something that Yuuki apparently left for him. Though he is hesitant, Suigin accepts the item, which happens to be a specialized…

Riku Rei is taken by some debt collectors, and Suigin follows them. However, Riku Rei’s captors immediately get away by car. Suigin somehow manages to catch up on a bike, but she is then taken away by…

Suigin is pulled into the world of “Grave Buster” by a woman named Twin Star. Surprisingly, Suigin ends up meeting his grandfather, Riku Yuuki, who should’ve been dead, and he can’t hide his doubts ab…

Riku Yuuki explains the game of Grave Buster to Suigin. In the game of tomb raiding and tomb guarding that has gone on for years, Riku Yuuki ended up being the one and final guardian to guard the Godd…

Suigin receives a message from Temujin, the man who kidnapped Riku Rei, who tells him to come to Grave Buster. Suigin starts gathering information and tries to come up with a plan. Money is everything…

Temujin sees something special in Riku Rei, and gets her something special while he’s holding her captive. Meanwhile, A woman that has been single-handedly defeating tomb raiders has become the buzz o…

Riku Rei undergoes a certain ritual and joins Temujin’s group. Meanwhile, Suigin encounters a young boy named Takeshi. Apparently he is travelling to get money to help his ailing friend, Mikan, who’s …

Suigin takes Takeshi’s place and fights in the tournament. However, he ends up facing a penalty, and ends up having a difficult battle against his enemy. It’s then that Twin Star reveals their true fo…

In order to gain more allies, Suigin tries out Grave Buster’s beginner’s course. There, he encounters his classmate Shaa and the world champion of the virtual fighting game tournament, Titan. Their be…

In order to get Farin to join his team, Suigin faces off with Titan. Meanwhile, the strongest organization in the game led by Dark Tiger, Precious, starts making moves to conquer Stage 0, not realizin…

After being forced to log out of the game, Sugin gets a phone call from Temujin. He tells Suigin that if he wants to save Riku Rei, he has to go to Stage 0 and find a player named Nishikaze. He tells …

Nishikaze shows up in front of Suigin and gives him a message from Temujin. The boss of Stage 0, Aslan, finally shows up and steals all of the players’ blood, but it also appears that he’s searching f…

Suigin wins the battle against Aslan and they all head to Stage 0’s entrance. It’s there that Suigin discovers the truth about his past as well as Riku Rei’s.

Now that Suigin regained his lost memories, he tries to go to the Totems’ base with Nishikaze. However, a new foe stands in their way.