For Some Reason, a Gyaru in My Class Became Friends With My Step-Sister (Associated Names)

As a high school student, Shinji Nagumo had a problem. His adopted-sister, Tsumugi, who came for family reasons, was unfriendly. Living with two people who couldn’t shorten the distance. One day, the “net friend” brought by Tsumugi changes the situation. It was a popular girl gal- Takarai Yua!? From the same class. As the three…