Mai and Yugi ' s group ' s campout Mai and Yugi ' s group ' s campout was an event in the " Yu - Gi - Oh ! " manga and second series anime during the Duelist Kingdom tournament . During the night after the first day of the tournament preliminaries , Yugi Muto , Joey Wheeler , Téa Gardner and Tristan Taylor were without food . Ryo Bakura was with them too in the manga , but showed up slightly later in the anime . Mai Valentine who had previously been antagonistic towards them decided to share her food and supplies with them and they spent the night together . Manga events . Twelve hours after the Duelist Kingdom preliminaries began , night had fallen . Pegasus had not prepared any food or shelter for participants that night and they were expected to sleep outside . As Jonouchi was complaining about his hunger , he spotted a mushroom and tried eating it . However Yugi , Bakura and Honda tried stopping him as there was a chance the mushroom was poisoned . Mai arrived and teased Jonouchi by eating a walnut chocolate bar and calling him desperate for wanting to eat the mushroom . Jonouchi got mad at her for mocking , but she insisted she was only joking and proposed a ceasefire for the night . Mai showed her food to the group and having been the one who brought it , said the others job to prepare it . She got Jonouchi and Honda to fetch water , Yugi to collect firewood and Bakura to do the cooking . Yugi and Bakura were happy to help . Jonouchi did not like Mai bossing him around , but Honda insisted that he just suck it up , so that they can get food . Mai noticed how different Yugi was acting , which confirmed rumors she had heard about him having two different personalities . Anzu pointed out that the same could be said for Mai and asked why she was being so nice to them all of a sudden . Mai lied that her Duelist makeup did not last twenty four hours , while in reality she was not sure herself why she was doing this . When Jonouchi and Honda returned with the water , Mai let Anzu use her portable shower , while the boys prepared the food . As they ate the meal , Mai brought attention to the fact that they were friends for the night and insisted that they would be enemies tomorrow . Mai let Anzu sleep in her tent , while the boys had to sleep outside . After Jonouchi , Bakura and Honda had fallen asleep , Mai told Yugi that Anzu wanted to meet him at the cliffs . She then went back to tent to talk to Anzu . She told Anzu about when she worked on a cruise ship and pointed out that Anzu had a crush on Yugi . Anzu tried to deny it , but Mai was not fooled . She then told Anzu what she had told Yugi and insisted that she go and meet him . At the cliff , Anzu talked with Yugi about when they first met . However Yugi got the feeling that she wanted to be with Dark Yugi rather than him . He said that he understood and offered to switch to Dark Yugi . However Anzu told him not to and tried insisting that he was still the same Yugi , regardless of which side was showing . At the camp , the Player Killer of Darkness pulled Mai out of her tent and forced her into a Duel , which he won and took all her Star Chip s , eliminating her from the tournament . Yugi and Anzu heard Mai scream as she lost and rushed over to find out what was going on . Yugi switched to Dark Yugi and faced the Player Killer in a Duel .