What is left of humanity resides within three giant curtain walls, which become compromised as the series develops. The series is based around an alternate world, where giant humanoid creatures (Titans) nearly wiped out humanity. Learn the Attack on Titan Theme Song on piano with this tutorial! Please enjoy!Īttack on Titan is a popular manga series that was later produced into a successful anime. Learn piano songs quick and easy with this app: SUBSCRIBE for a new piano tutorial every day from Sheet Music Boss!