* For some time after the Meiji Restoration, Japan continued to use imported weapons. The newly created Imperial Japanese Army used firearms intensively against more traditional samurai rebellious forces during the Satsuma rebellion in 1877, with an average of 320,000 rounds of ammunition fired daily during the conflict. After the Satsuma rebellion, Japan relied extensively on the French Chassepot. Japan finally developed its own model, the Murata rifle, derived from the French Fusil Gras mle 1874. This was Japan's first locally made service rifle, and was used from 1880 to 1898. An industrial infrastructure, such as the Koishikawa arsenal had to be established to produce such new weapons.
* In the evening, Mimi received a phone call from the Defense Ministry asking for help regarding the arsenal of weapons that had been lost for some unknown reason, and the investigation also demanded secrecy. if there are leaks, there must be chaos in society. After receiving the case, Mimi told Lexi, Fei, Jin, and Lin to investigate the case tomorrow morning, with secret officials waiting to hand over more documents to them. Early in the morning, the members tasked with resolving the case arrived at the arsenal on time. Fei checks the documents and uses a special sense like Wan to go back in time, which goes by the names of the people on the list of delivery weapons. At this point, she saw a group of masked men, whom she knew as Black Blood, obeying the orders of corrupt officials, ordering them to steal weapons and explosive powder through the secret door. Fei saw this, she walked to the back room of the arsenal and pulled the keylock under the deer statue to open the secret passage to the arsenal. Secret officers and Zenith members followed Fei to the tunnel, and they found explosive powder spills in the streets. They walk until he flees behind a black market children's store.
* After the secret officers found out who the corrupt officers were, they hurried to report to the senior officers, guarding the zenith in search of the missing weapon. Jin, she uses Origami as a dog animal to search for ammo stuck on the street until it reaches a casino and her dog stops walking. Suddenly, two sisters were injured in the rape in a casino and ran to ask them to rescue her. Lexi told Fei, Jin, and Lin to take them to the hospital and notify the police. Then he will pretend to be customer to look situations inside, it's nice that the girl members don't have to get involved and see these places. A man with a face very similar to Lexi asks the drug owner for the direction of the zenith guesthouse, rushes into the casino following Lexi when he sees Lexi from behind.
* In this casino there is a collection of bets from all over to serve customers who come from all over the area. The gambling house is divided into sections that serve the common people and the aristocracy, high officials, in which there is a place where guests can exchange all kinds of goods. The incident happened to the two sisters because her father gambled and lost his daughter to prostitution, and their father was also killed by them because he was afraid to leak information to the other outside. The sound of guests entering the casino, which Lexi turned to watch, was surprised to see her brother here. Dux, Lexi's brother, looked at his younger brother, why he came to such a place to play cockfight with the officers, desperate. Lexi seemed to know her brother's thoughts and hurried to talk about what had happened to Dux. Brother Lexi joined forces with the brothers to find the missing state weapon. Suddenly, many corpses were taken in the innards after losing the game with no money. Lexi couldn't resist the action and he walked to the special player's room with his brother following him. The queen of the game knows that the Zenith team lost their turn because they plotted to avenge her junior and kill the entire Zenith team.
* The queen of gambling has ordered the release of all poisonous smoke in the casino, as her team have already taken precautionary measures to drink medicine. But the poison was not a reaction to their two Venus brothers. Then she called the black blood out to kill the unconscious poisonous victims and they quickly clean it up by throwing them into the crocodile pool, leaving only the table game at the hall with the game queen and the two Venus brothers. They must join the game to collect the weapons back. The first game to be played is a dice roll which guesses the large and the small number. Lexi, who doesn't know how to play the game, was defeated by being tied up on a spinning board, which the game queen physically laughed at him. she tying a handkerchief while closing her eyes, throwing a knife at Lexi, causing serious injuries to his arm. these times, Lexi couldn't heal quickly on his own because the knife had black magic, but he had already turned off his pulse to stop his blood flow. It's Dux's turn to run the dice, and he can beat the game queen if he plays the last roll, with all three dice stacked on top of each other and out of the small numbers of dice to defeat the game queen. suddenly the melting dice turns into the ears of the game queen on the table games.
* The next round is betting on poker, which is the most popular game in the casino, with the previous round being a draw. This time the two brothers lost the game, and she used a metal poker to shoot them, injuring their entire body. the next game is tossed the ball in large numbers of rows. they were the winner as the queen decided to play the last choice lucky stick game. Dux asked him to show his weapons before playing. The queen of the game orders the member of black blood to carry a weapon. Suddenly, Dux opens the monster's eyes and carries the weapon to another location. the queen of the game so angry and transformed into a true OW monster form with bunny ears and sharp teeth on the outside of her mouth. She ordered the black blood to attack the two Venus brothers, but Dux used a thousand fists to beat them to death, threw them into the crocodile pool, and he used the fire of Venus to burn the crocodile pool. Lexi, who was more seriously injured than his brother, swallowed Mimi's elemental energy drug and regained his strength as the brother battled the black blood group.
* Lexi opened the monster's eyes half of his hair through the white hair because his elemental strength had not yet returned. so he used Venus' fire to shoot the OW monster, but she easily escaped swallowing Lexi's flames and she used her legs to kick Lexi, shattering the pillars of the house. She intends to use her dark eyes to dissolve Lexi's body, but is defended by Dux with a fierce martial art. Because Dux has the power to move flash, he can kick the Ow monster, causing her severe injuries. She gathered the last elemental force with a black ball hanging out of her body with lightning strikes on both. Lexi teams up with his brother using fire from Venus' bullet and the two bullets collide, melting the objects around them. Dux used his palm to drop his blood shoot directly onto the monster, preventing it from retaining the force of theirs bullet.she died melted by their bullet.
* Then The two brothers reported the weapons that Dux had hidden in the forest to the police and they hurried back home, and on the way they met Wan, who had just completed a mission. Upon entering the house, Mimi immediately lifts the cake and the others sing to celebrate Lexi's birthday. Lexi was very excited and his brother handed over the gift their parents had prepared for Lexi, which is why his brother hurried to see him and wanted to see his brother-in-law. The birthday party ended happily with his brother returning to Venus tomorrow. Lexi went to rest with Mimi as usual, this time Mimi gave him a beautiful short sword as a gift for Lexi's birthday. Lexi hugged her and kissed her, saying the most special and meaningful gift in his life was Mimi. He asks her that after defeating the black blood group, he will marry her. He takes out his mother's necklace which has a ring and wears it for Mimi as a token of love.