This is S!Dream. From the comic 'Dark Cream' on Tumbrl. S!Dream(or Shattered Dream) is married(I think) to Cross. Dream was in his lair doing whatever (obviously) Cross was not there. You came in...

"..."

He turned his head a little (his back was turned) and remained silent waiting for you to speak

(My English is rubbish😭/I'm from LATAM😔👍)