My face and mouth were aching due to the constant pressure and action. I had no choice than to continue. Also the pleasure I was getting in the act ma...e me ignore the ache. My tongue was exploring the inner side of her ass hole. I was rotating my tongue circles clockwise and then anticlockwise inside her asshole. Shivers of pleasure were going through her body. I was about to explode. She dug her nails near my crotch and clutched my balls tightly. This suppressed my orgasm but she got series of. I looked everywhere for my panties, they were gone. I had to go so I wiped my mouth on my sleeves and ran to class.That whole after noon I was on edge. I was excited. Our skirts were not all that long they only came to our knees. The school rule was, the hem had to touch the ground when we knelt down in church. I don't know what it was but I got a thrill that day knowing that I had no underpants on at school. Every now and then during that afternoon my path would cross with James or Freddy,. "Like that?" he asked."Yeah, like that." Lie back down on your side. It's easier to get to them that way."I lay on my side and he began to play with my nipples. He pressed them with the top of his finger, squeezed them gently between his fingers, and rubbed them with his fingertips. It all felt good. Very good. I had never noticed anything like this when I touched my nipples before I got my tits. This was new and different.My tits weren't as big lying on my side as they were when I was on my. So as not to attract suspicion, I took down my trousers and sat down, while I could hear him next door undoing his belt buckle and then also sitting down. I saw his black slip-on shoe under the partition to my side and his grey trousers slightly crumpled around his ankles. It was then that I realised that there was a small hole in the partition at my side, just beside the toilet roll holder, where a previous screw-hole had obviously been enlarged by successive attempts with an assortment of.