Yuuichi and You and Tenji wake up in a cave. Manabu informs them that to prepare for the third game, they need to stay there for three days. Yuuichi notices that they have only one bottle of water for three days. Tenji tells him that he only kissed you as he wanted to come with him and be able to explain to him why he betrayed his friends. Tenji explains this is his second Tomodachi Game and gives Yuuichi a signal to cover his name tag. Tenji states its Shiho's fault. Once the three days are over, Yuuichi and Tenji ,You released into a forest. There, they meet Sergeant Manabu. At the management, Reiko Tamai visits Tsukino, saying that the third game is starting and they will be facing her group Seeing that there are only threeleft from Group C, Reiko notes that her team will definitely win as in this game the bigger team always has the advantage. However, Tsukino isn't sure about it and suggest they make a bet and Reiko agrees. Manabu announces that the third game is Friendly Hide-and-Seek and is a competitive battle format. Group C will face Group K, and the one who loses its game over for them. Group K members note that it will be easy against just two people. Tenji believed that Tomodachi Game tests friendships within the group. Manabu confirms, stating that you test your friendship because you have opponents. Each team must choose one hider who will hide somewhere in the forest, while the remaining members are seekers, searching for the hider. Manabu reveals the rules and Tenji sees "switch teams". Manabu explains that a seeker can switch to the enemy team, but if they win, he won't go to the fourth game. If you switch to the enemy team and they win, you will pass your debt to the losing team. And with just two people on the team, if one of them switches, the game ends immediately. Yuuichi wonders what will happen if you switch, but your original team wins. Manabu states the traitor will receive an amount of debt equal to the average debt of the losing team, then return to their original team and participate.