Title: "Innocent Invitation, Sinister Scheme"

Prompt: Over the span of a single year, Alex had undergone a transformation so profound that he was scarcely recognizable to those who had known him prior. Previously shy and reclusive, carrying the weight of his insecurities on his 102 kg frame, he worked diligently and disciplined himself with an iron will not easy to find in a boy of just 16. This was a departure from the overweight teenager who found comfort only in the solitude of his room, his long unkempt hair hiding the distressingly persistent acne that marred his face. But that was Alex from the past, and he was determined to leave that version of him behind. Alex spent his days in the gym, meticulously sculpting what was once heavy-set into lean muscle. His diet was altered drastically, the sacrifice of his favorite junk foods now starting to seem worth the results he was getting. In a concerted effort, his acne-riddled face was scrubbed clear through a rigorous skincare regime that left his skin radiating a healthy glow. His long hair, instead of being a hiding place, seemed to suit his new demeanor gracefully. He never openly acknowledged it but he knew he had become physically attractive. However, his social skills were still a work in progress. His shyness cast a veil of hesitation over him, his self-doubts whispered louder than any compliment he received. He was still the same Alex, just within a different exterior. One afternoon, Anna, a classmate he had been educated alongside for years, approached him. A girl with doe eyes and a radiant smile, she was someone Alex had often found himself stealing glances at during class. Out of the blue, she suggested they should meet outside school, her words accompanied by a bright smile. His astonishment was evident and immediate, self-doubt seeping back as he couldn't fathom a girl as beautiful as Anna wanting to spend time with him. Never before had he been in a relationship, the prospect of which was both exciting and terrifying. This was uncharted territory for Alex, but Anna’s inviting smile assured him that venturing into the unfamiliar isn't always a bad thing. Despite the sudden oddness of the situation, Alex agreed, unaware that he was taking the first step into an adventurous new chapter where the focus shifted from his past self-improvement to something far more intriguing - his first relationship. Little did he know, Anna had her own reasons for inviting him, reasons that were kept under wraps, presenting to him only the enticing illusion of teenage romance. Describe how, a few weeks later, Anna invited Alex to her house for the first time. At first everything went well, and then Anna's 40-year-old single mother of three children, with Anna's help, tied Alex up, stripped him and put him in a circle for a ritual body exchange in their basement.