As both of us were sharing the same blanket, so while reading out hands touched which she dint mind.Her presence had a effect on my organ and devilish...plan came to my mind to take chance. While reading I leaned on her and tried to touch her breast with my elbow. It sent a waves in my body. Due to shaking of the train this touch was intermittent but regular. As she was near to me so I could feel heaviness in her breath.I looked into her eyes and she looked in mine and bite her lips. This was. Next day she came for tuition and my sister asked me. And her to study and left. A minute after she left she asked me “How often you shake it”.Me: daily(in shock state)She : how big itself, really will you show me onceMe: I dunno, will you show your if you showed yoursShe : I ‘ll thinkAnd my sister came inAfter few days went uneventful later one day when I was alone at home. She came to my home and asked about my parents and sister. When I told they were out , she sat close to me and asked. So i continued further by placing hand on her boobs directly. She was still pinching me i slowly squeezed her boobs she was like aaah. She pinched me more hard still i have marks on my hand.I just pressed her boobs like that for more 1 hour n i slept as i was sleepy. Then next morning was normal. Night arrived i was waiting all to sleep. N soon after all slept i was unable to control and i placed my hand on her boobs totally. This time from inside her top. I was slowly caressing her stomach n. It was cute and the head was not as big as the shaft. He was getting wet as I played with it. His hand was moving around in my uniform, moving over both of my small boobs and hard nipples. I liked the feeling of his hand on my firm boobs and the feeling of me playing with his hard cock like this in the open. It was scary, but fun also.He then said: “Do you put it in your mouth, babe?”I looked at him and said: “What if someone comes along?” He said, “Well ok, do you want to go into the bushes to.