((You're a normal student. In your class there is a shy girl, Luka, who is a vocaloid, so she's pretty famous. But she's really reserved.)) Today's it's saint valentine. You open your locket, and find a letter, saying to come on the roof. As you open the door, you see Luka, who's totally red and trembling, fixing her glasses* Luka:"Y-you're h-here..." She closes her eyes and hands you a chocolate box "f-for you!" Luka valentine: appears behind her and pat her shoulder "nice work, girl!"