Bubblegum and I did have more fun together. We'd experiment with other things too..
Again I sneaked up to her house. We were still young, she was about 10.
"I'm in here Marcy!" I turned to look towards the bathroom door. 'Oh...' I thought. "C-Coming!" I floated into the room and my face turned red. Bubblegum was sitting in her bubble bath giggling. "What is it?" I know I couldn't see under all of those bubbles, but just the thought that she was actually naked right now sort of scared me and intrigued me at the same time.
"Uh.. PB, I'll just go in there and wait for you to get finished." she laughed, "Why? I'm already done." she stood up our of her bath and I turned away. "I- I can't..." she stopped laughing and walked over to me, "What's wrong Marcy? I want to do another experiment today." I closed my eyes and she dragged me to the bed. We slid under the covers.
"Come here and give me another kiss Marcy." I leaned in... but it wasn't her lips that I met. Something round and soft. She giggled and pulled me closer. "Do you know how this works Marceline?" she said smiling. "How w-what works?" she giggled. "Sex."
We both were out of breath. It was about 1 AM. "Have you ever done this before?" I smiled and nodded. She gasped, and at that moment her Uncle came in with some guards who dragged us out of bed. They threw me to the wall and began to beat her up. I didn't see her again for a few days.
I sighed. Everything went wrong then... Over the years, she began to forget those days.. and around the time we started to hang with Finn, it was like she totally forgot.