Love Link.
It was a strange ability... a power-up that didn't just rely on willpower or magic. It required something much deeper and that was something far more intimate than anything. Sex was one way to trigger it, but that wasn't even the main requirement. What truly mattered was release. It was the act of reaching climax together.
In other words, they didn't necessarily have to fuck. They just had to cum… at the same time.
"That's the only thing we can do right now," Chihiro said quietly, her voice trembling slightly, though she tried to sound composed. "I know this isn't exactly something you'd want. I mean, it's not like you'd ever imagine doing something intimate with me... especially me, of all people. Someone who was your enemy not long ago." She took a slow breath, trying to keep herself steady. "But as it stands, we don't have any other options. We don't even know how to fight that angel outside."
