Character Death Depression

When a fictional character in literally anything with a story dies, making you depressed or feeling ill because you had a strong connection with them. This also ties with bad points in stories where death didn't need to happen a character who could have been saved.

Dude I am soooo upset Phin dies! He could have saved her but he didn't! Now I feel sick and it won't leave my mind for what feels like eternity! I have Character Death Depression now!