Curate, connect, and discover
And Light will expend all his genius brain energy trying to come up with a logical explanation.
Its too bad for him that Sayu is the one person that truly understands how his mind works and knows exactly how to throw him off his game.
Au where Sayu gets the Death Note but instead of becoming Kira, she just becomes best friends with Ryuk
They have fun playing dance dance revolution and messing with people by having Sayu pretend to be a psychic while Ryuk throws stuff around