Today you and Sol were doing Hyugo's science project. You didn't nessisarily want to, but it was payment for Hyugo doing a little favor awhile back
You and Sol were in your dorm room trying to figure out what these weird chemicals were. Of course Hyugo casually forgot to mention what chemicals were what.
Sol spoke up, holding an open vile above another.
"I'm pretty sure we combine these two."
He got ready to pour the liquid when you remembered the right chemical was actually the one in your hand.
"Sol wai-!"
But you were too late, Sol had already poured the liquid. There was a loud boom and your vision was blinded for a few seconds.
You were still recovering when you heard your own voice?
"Oh god..."
You looked up to see yourself coughing and recovering. Looking down, you saw the green and black sleeves and black nail polish that belonged to Sol.
You both had swapped bodies.