1. Killer was bored and wanted night to win his brother's heart, he knew nighty loved dream after all. At night kills tied dream up to a chair and left little 'marks' over his body, leaving him makes, blindfolded and gagged. He left a note for night on his bed before leaving. Night woke up, read the note before teleporting away, only to find dream. Welp... he WAS in heat... and dream WAS blindfolded... it all ended night fucking the unsuspecting dream.

2. Either one of them in heat.

3. Playful teasing turning into one of them being fucked

4. Custom