Why does my neck “hump”??

Here’s me. Been insecure about the look my neck has, just seems like a hump is there?

Here’s a photo I found online for reference.

Even if I stand straight up it doesn’t go away. My friends and partners have commented on it and I feel so insecure about it 😞 it’s like my bone sticks out or something. It’s hard and not squishy like fat would be