ไปเที่ยวโรงเรียนคนเดียว - "เฮ้อยู่นี่ มึงกําลังทําอะไรอยู่?" (ตอน 2)

I got separated from my friends during a school trip and an old man happened to pass by and was kind enough to help me. He took me to his house and made me suck his smelly cock. I didn't really understand what that meant because I didn't have much experience.