"Honey, My Buddy Swears This Position Is Amazing—Just This Once, Please Humor Me?" Elena Carter's hand trembled as she stared at the Japanese adult video star her husband Ethan Hale had sent her. Her jaw clenched as she clicked 'order'. The day the package arrived, the usually composed Elena shoved down her embarrassment and reluctantly slipped into the nurse's costume. That night, she indulged Ethan, letting the cold stethoscope explore intimate places. Her lips pressed tight as she played along, the taste of blood sharp on her tongue. When it was over, Ethan kissed away the tear at her eyelid, his fingers gently massaging the red marks on her wrists. "You must be exhausted," he murmured. "I'll draw you a bath." The bathroom door clicked shut, and Elena finally exhaled. Lately,Ethan kept suggesting steamy new experiments—each one bolder than the last. And every time, she couldn't refuse, not when she imagined the disappointment in his eyes. She flopped onto the mattress, limbs heavy. Seven years of marriage needed some spice. He just wanted something fresh. Then Ethan's phone buzzed urgently on the nightstand. Thinking it might be work, she reached for it. They'd registered each other's fingerprints long ago, but trust meant they rarely snooped. A new message glowed from his WeChat's pinned chat—labeled Lila. "Ethan, did you try my suggestion tonight?" "How was it? Still as boring as before?" "If you're not satisfied, you know where to find me~" Elena's fingers froze. The wrist he'd just soothed began throbbing again. So this was the 'buddy' he meant? Her thumb scrolled up on its own, each text carving deeper into her heart. "Ethan, why won't you try it with me?" "Come on, Lila, you're better than that. You're not some casual fling." Then who was? Her?