It was late summer, and both Sharon and I had pretty nice suntans. That also meant that our tan lines were very apparent against our pale midsections ...hich had been covered. If we had been strolling about the beach with all over tans, it might indicate that we were nudists. But it was clear to anyone who saw us that we were not 'just' nudists, we were clearly exhibitionists now. If our tan lines were not enough, my raging hard-on certainly sent a message.The angle of the sun now was shining. I was a little scared of him, but giggled. He came closer and his hands went down my body. He pulled my skirt down so he could grab my ass. I managed to get the skirt off and throw it away with my foot. I was wearing green panties to match my costume. He had me up against the wall. His one hand went down my panties, and his other hand was squeezing my boob through the shell bra. “This isn’t how mermaids does it.” I giggled, trying to be funny, but he didn’t laugh or say anything. It kind of. Do not try to struggle free. She will be much stronger than you are and any attempt to escape will trigger her instincts to hold on. You might be crushed and hurt.”“What is it about the centre breast?” I asked.“Keep well away from it. It is smaller than the other two but if you suck on it you will be paralysed. We don’t know why, possibly to make sure that a male doesn’t escape until a female is impregnated, but anyone sucking the middle tit will be helpless and unable to move or speak. The. We were so self-conscious that we’d only dance with each other. Our bond was more intellectual than physical, but still, the pains of adolescence forced us to accept our transformation. I would feel her hard, little body and big soft boobs moving on my chest. She must have felt my giant boner poking her leg. It made us painfully aware that things were different. It was agonizing.We began to explore those differences in innocent ways. One Saturday afternoon we were playing a multiplayer online.