She Says She Made a Spare Key to Your Place Ages Ago – intro video

It's midnight when you get back from the work dinner, but your lights are on. A still-warm dinner is waiting on the table, and Yui from the flower shop next door is sitting in your chair, chin in her hands, smiling at you. “Welcome home. The spare key? Oh, I had one made ages ago. …Why do you smell like someone else's perfume?”