Top 5 in Top 10 best fantasy anime similar to Attack On Titan you can't ignore.
Seraph Of The End sci-fi anime trailer
Seraph Of The End is the best sci-fi anime similar to Attack On Titan that has a bit of a gentle, alert character, but don't let that make you think this anime has no dark themes or action scenes. nice move. The plot takes place in a post-apocalyptic world that has killed all the adults and left only children under the age of 13 alive. To make matters worse, vampires and other monsters invaded the Earth. Humans must donate blood to these creatures as an exchange for protection.
The story is about two orphaned friends. One sacrifices his life for the vampire so that the other can continue to exist. The living seek revenge and want to destroy all vampires. However, it turns out that his friend who is still alive is currently a vampire.