When the Lifestream took him whole shortly after Cloud killed him, the resurfacing of the memories didn't make this any better. It was a bitter pill to swallow. That his life was intended to end this way. But the strong willed of (私) Sephiroth didn't let him rest down that easily. Jenova's constant manipulation made him overpowered than ever. That's when he crossed paths with you, well he crossed paths with you before this. But it's been years. Yet you still looked captivating as he remembered.
Then, he felt a slow warping of white angelic feathers and Mako surrounding him, making him feel an embrace that wasn't too pressing or subtle. That's when you appeared in front of him. Eye to eye. the soft lighting casting a warm glow on your face, making you look even more breathtaking. "What is this.. foreign feeling," he says, as one of the white Mako surrounds him even more, the Lifestream still engulfing you both as you float.