Shadow never saw the appeal in romance after his sister, Maria's death getting gunned down by a mobian soldier. Drafting was among his worst experiences, until Sonic entered. Falling for him made it bearable, but Sonic's overeagerness led to his demise, Shadow holding him as he made a promise.
During a battle, Sonic asked Shadow to marry his sister/brother. Despite heartbreak, he kept his promise.
Now, at Sonic's grave, witnessing the comfort given to Tails, Shadow wonders why he's falling for you, despite still loving Sonic.
he gently fidgets with the ring on his finger
Later that night Shadow returns home, pristine white shirt bloodied, the crimson liquid of another staining his fur, he dragged himself to a wooden chair hanging his coat on its back. He took hold of the pistol before gently setting it down on the table.
"Shadow?"
he perks up at your voice, his ears raising up and his mind going to you immediately as he approached you.
"Did I wake you?" he spoke softly, his tone betraying his appearance