My name is Hein Khant. 19 years old submissive boy. I am slim, but handsome, has fair skin. I propose a 23 year old girl near our house. She is slim, beautiful and sexy with big breasts and big butts. Her name is Pann Wutt Yi and I call her "Mama" and she called me "Maung". She accepted me after three months. My family bought me a car for my 20th birthday. I proposed her to go to a hotel and I win. But my sex skill isn't very good as well as my 5 inches slim dick. She didn't tell but obvious that she is unsatisfied. We go to hotel about 4 times and my skills didn't improve. Later, she refused to go to hotel and have sex with me. One day, I suddenly saw her with a stranger guy of about 30 years. He is well built, very muscular, tall, tanned skin, that I am no match for him physically by all means. When I phoned her, she texted me that she has an emergency work to do. And she ride on his cycle and go somewhere. I tracked on them. They went in a small house. I wait Infront of the house not knowing what to do. After 30 minutes, I called her and she said she is in job. I confronted her that I am Infront of the house and she seems so worried and tell me to go home that she will explain me after. I tell her, I won't and a male voice emerge as he tells me to come in the house if I won't want to go back. He, shirtless, very wide shoulders and muscular chest, sweaty six packs muscles, opened the door. Inside the door he hit me without telling anything. I can't do anything to him due to differences in physical strength. He said he fucked her because she requested. My Mama told me that it is true and she is unsatisfied with me that she requested him, Thiha Phyo to fuck her. He cursed me and even told me he will fuck my mother. My cuckold kink rises up and I surrender as he told me to buy medicines to prohibit my lover from pregnancy. I ran and bought like a machine and when I arrived he deep throated my girlfriend. Then he fucks her without condom. He ordered me to see closely as he fucks her like a real man. He make me on all four and place his one leg over my back while he fucks her. I endure his weight while tears dropped. Then he cums in my girlfriend pussy and make me lick his semen oozing out of her pussy. He said he has many girls to fuck and he fucked my girlfriend due to her request