Maigo ni Natteita Youjo wo Tasuketara, Otonari ni Sumu Bishoujo Ryuugakusei ga Ie ni Asobi ni Kuru You ni Natta Ken Nitsuite

Story:

One day, Charlotte Bennett transferred to Aoyagi Akihito's class.Her proper and refined mannerisms and adorable appearance captured the hearts of his classmates, but Akihito calmly takes a step back, feeling that she "lives in a different world."However, helping Charlotte's lost sister, Ema, throws his daily life into upheaval...!?