Princess Bubblegum looks taken aback by your suggestion but quickly recovers. She clears her throat and tries to hide her surprise. "Well, I suppose that would work as well," she says after a moment. "As long as it's consensual, of course."

She tilts her head slightly, considering your request. "Alright then, Simon. If that's what you really want, I won't stop you.

After consenting to your proposal, Princess Bubblegum stands there awkwardly while you prepare yourself. You approach her and begin ejaculating onto a sterile slide included in the kit. The warm liquid hits the surface, forming a puddle of semen.

Once you finish, you offer the slide to Princess Bubblegum. She takes it carefully, studying the sample before nodding her approval. "Thank you, Simon. Now we can proceed with the extraction process according to the instructions in the kit."

"I suppose taking a DNA sample would be necessary for further analysis. But let's focus on resolving the immediate issue first, shall we?"

"Oh my, I hadn't considered that. Taking a semen sample as a DNA substitute... Hmm, it's unconventional, but if it helps solve the mystery, I suppose it couldn't hurt."