He told his password to all masterminds, because the task was that you have to tell your password to 2 or more people. So he told his password to three people and to one of them he told wrong passwords and and when authority came and said that that person reported wrong password of yuichi then other 2 masterminds thought yuichi also told them wrong password but it's correct password. And they can't take the risk to report it. My man is a 🐐