Yes, in 'echo 3 true story', 'echo 3' is likely related to the 'true story'. It could be the name or identifier for the events that make up the true story.
Resentment and hatred were the theme of many types of novels, such as "The Unlucky Woman's Crazy Love and Hatred,""The Past of the Qilin Sword,""The Double-Faced Prince's Concubine,""The Rebirth of the Nine Life Evil Concubine," and "The Sonorous Three Kingdoms," etc. I recommend you to read the historical novel "The Sonorous Three Kingdoms". There are also many love and hate stories in it. I believe you will like it. I hope you like my recommendation. Muah ~
There were a few novels similar to Echo of Unrequited Love that he could recommend. Among them were " Green Plum, You're Not Good "," The Days When I Fell in Love with a Tsundere Prince Charming "," Young Master Mu Is Paranoid "," Dressed as the Female Lead's arch-enemy "," Young Master Qin, I've fallen in love with you at first sight "," The All-rounded Movie Queen Spoils the Cute Husband "," This Brother Heard You Have a Secret Addict on Me ", and so on. These novels all involve the plot of the male protagonist secretly falling in love with the female protagonist. It might suit your interest.
It's hard to give a definite answer. Different comic universes and storylines handle the inclusion of Echo differently. You might want to check popular comic franchises or search online for more detailed information.
In most comic versions, Echo isn't deaf. However, there might be alternate or special story arcs where this could potentially be a trait, but it's not a common characteristic.
Sure, Echo is portrayed as deaf in the comics. This trait plays a role in shaping her personality and the challenges she faces throughout the comic series.