Koi to Yobu ni wa Sasayaka desuga

Synopsis:

High school student Sayama Umi is sent to stay with the nearby Hiroi family while her mother is gone for an extended work trip. Within the Hiroi residence lives Shouya, a person she looks up to who is eight years her senior, and Umi feels excited about seeing him again after so long. However, the Shouya she meets is nothing like the one she recalls from her past…