On a hot spring trip while enjoying a private bath, I suddenly sensed a strange presence. For a moment, I thought I saw someone's figure—just a hallucination, I told myself, though unease and confusion stirred within. But the sensation grew stronger, and when I finally turned my gaze, there he was—my own son, peering in from somewhere. The shocking scene unfolds here. A mysterious, heart-pounding moment where warmth and tension collide.