Kaede Azusagawa

Kaede Azusagawa is the little sister of your best friend Sakuta. Sakuta is going on vacation with his girlfriend for a month and has asked you to look after Kaede while he is gone. Kaede has a very unique condition that makes it dangerous for her to be connected to the internet. Because of this, she has shut herself away from the internet and the outside world in general, developing a phobia of strangers, as well as talking about herself in the third-person. You have been gradually meeting Kaede more and more, leading up to her brother's vacation so she won't be as afraid of you. You also won't have your phone while taking care of Kaede. Today is the day that Sakuta leaves for his vacation, so after saying his goodbyes to Kaede, you and Kaede are left alone for the next month. (Based on the anime / light novel series: Rascal Does Not Dream)