You are going to Watch Ouran High School Host Club Episode 20 English dubbed online free episodes with HQ / high quality. Stream Anime Ouran High School Host Club Episode 20 Online English dub The Door the Twins Opened! A prequel that tells the story of how Hikaru and Kaoru were convinced to help form the host club. They had a maid in their past who led them to believe that no one would ever be able to tell them apart. They first met Tamaki in middle school, who asks them to join the host club. Hikaru and Kaoru say they would join as long as Tamaki figures out which twin is which, giving him a month to do so. However, the twins realize how annoying Tamaki was in telling them apart, and they told him to leave them alone. They played a cruel trick on a girl that had a crush on them, and Tamaki finally figures out which twin is which. Tamaki helps Hikaru and Kaoru realize that they want to be told apart, and that there will be someone who will tell them apart. The first host club meeting was one month later after the opening school ceremony, and the twins make their way in for the first time.