At the end of school that day, the male classmates in the class were talking to Asuka II about the last green meteorite theft case and the mayor's grant of a search warrant. Meimei heard Asuka's arrogance and everyone thought that St. Tail had done it the previous time.She felt very angry because her action failed... Mami's mission this time is to return the Triple Crown “Elektra” that was deceived by Mr. Egami to its original owner.At first, Meme was a little hesitant because of Asuka II, but after Shengliang's provocation, Meme became full of fighting spirit again... After Meme went out to school the next morning, her father could not find the balloon he used to perform magic; at noonDuring school lunch time, Asuka and his classmates suddenly saw the Phantom Thief St.Tail writing a warning letter on a big balloon, openly challenging Asuka II. However, this move caused everyone to talk about it, and some even suspected Phantom Thief St.Tail and Asuka II.He is an accomplice... At night, Asuka II went to Egami's house in accordance with the warning letter from the Phantom Thief St. Tail to arrest St. Tail. However, he was surprised and angry when he heard rumors that he and St. Tail were an accomplice. However, Egami was surprised and angry.God had long planned to catch Asuka and St.Tail, who he thought were accomplices, so he told Asuka II the wrong place to place the Triple Crown.That night, Yamei went to St. Polya Church to find St. Liang, and St. Liang had already found out the real place where the triple crown was placed - inside the long needle of the bell tower. So as soon as six o'clock came, St. Tail appeared and easily took the crown.The triple crown is obtained.Mr. Egami, who originally thought that St. Tail and Asuka were accomplices, was shocked by St. Tail's actions. Angrily, he chased St. Tail, who was preparing to escape with a conjured balloon, and even tried to shoot her balloon. Fortunately, Asuka was there.II stopped.At this time, St.Tail felt that for some reason, he felt so happy when Asuka II was around during the operation... The next morning at school, Asuka was very angry at being deceived while watching the report about last night's incident.When Mami saw Asuka II who failed in yesterday's operation, she couldn't help but embarrass him, but Asuka found that Mami's face was injured. Could it be that Mami was...!?