Naruto would likely be his energetic and friendly self. He would probably greet Roku Shimai with a big smile and start asking her all kinds of questions. Roku Shimai might be a bit more reserved at first, but Naruto's enthusiasm would gradually draw her out.
One possible plotline could be that Naruto meets Roku Shimai during one of his missions outside of Konoha. They initially have a misunderstanding, but as they spend time together, they realize they have common goals in protecting the innocent. Naruto might teach Roku Shimai some of his ninja techniques, and in return, Roku Shimai could introduce Naruto to some unique aspects of their culture.
The 'kiriya hakushakuke no roku shimai visual novel' is likely to have its own distinct plot. Visual novels usually present a narrative through a combination of text, images, and sometimes audio. It could be set in a particular fictional world with its own set of rules and cultures. Without actually experiencing it, it's hard to say exactly what it's about, but it may have elements of drama, mystery, or character - driven stories.
One possible theme could be family relationships considering the mention of sisters. Another might be social status as the 'hakushakuke' part could imply something related to nobility or high social standing.
The 'Roku Christmas Story' might be a unique, fictional account. It could involve Roku as a character in a Christmas - themed narrative. For example, Roku could be a little elf in Santa's workshop whose job is to make sure all the Roku - powered devices in the world are ready to stream Christmas carols and holiday specials. Or it could be about a person who gets a Roku as a Christmas gift and how that changes their holiday entertainment experience.
Well, if it's about using Roku for Christmas, one key element could be the content. Christmas movies, shows, and music available on Roku would be important. Another might be the device itself, like how easy it is to set up and use during the busy Christmas time.