watercolour and ink on paper

Ashamed

/əˈʃeɪmd/

embarrassed or guilty because of ones actions, characteristics, or associations. "you should be ashamed of yourself"

Remorseful
/rɪˈmɔːsf(ʊ)l/ filled with remorse; sorry: "the defendant was remorseful for...

Guilty
/ˈɡɪlti/ conscious of, affected by, or revealing a feeling...

Sad
/sad/ feeling or showing sorrow; unhappy. "I was sad and...

Emotions Wheel
I have enjoyed working with the emotions I found in Plutchik, but there are so many more...