My Female Roommate’s Cohabitation: The Final Surprise (Yume)

The day had finally arrived for her male roommate to depart. Lin Xiao found herself wrestling with a profound sense of emptiness, unwilling to let their intriguing and often thrilling shared living experience conclude so abruptly. Seizing what she knew would be her last chance, she resolved to craft an indelible "surprise" for him.

Retreating to the solitude of her room, Lin Xiao meticulously began to bind herself. She secured her hands tightly behind her back with rope, the straightforward yet powerful restraint igniting a fervent heat throughout her body. After gagging herself, she donned a heavy trench coat. With a mix of burgeoning shame and exhilarating anticipation, she made her way to the living room, positioning herself directly before her male roommate. "It's so warm in here, why are you dressed so heavily?" he inquired, his suspicion palpable as he reached out, tugging at her coat, which began to slide…