Please Help Me, I Can't Find This Book!

1. The female lead is rescued from the hospital by the male lead, but she’s blind. 2. They’re both hackers, and the male lead is the female lead’s mentor. Once, he teaches her a lesson by using a computer to launch a missile at her, then discovers she’s actually in his company. 3. The male lead has a special period, but I can’t remember what it’s called.