My Little Sister's Special Place

Our hero, Youhei Nase, used to go to Akiba a lot when he was younger. His reason for doing so wasn't to have fun, but for his little sister's sake. Even still, he ended up becoming a big fan of Akiba's game centers. At one point, he becomes friends with one his classmates, who happens to be a rich girl, but that's a story for another time. One day, our hero's younger sister, Yukana Nase, is gifted a Christmas trip by a self-professed proper young lady. Yukana enjoys their trip, where it's just the two of them spending time together as if they're a couple. As our hero watches over his sister during this trip, he makes a realization. He comes to the conclusion that he hasn't truly saved his…