Which two of the four lovers are in love with each other at the start of the play?

At the start of the play, "A Midsummer Night's Dream" by William Shakespeare, Hermia is in love with Lysander, while Demetrius is initially in love with Hermia. However, Hermia rejects Demetrius's advances, as she is devoted to Lysander. This love triangle sets the stage for the ensuing complications and magical interventions in the story.