[Kei Nagai x Reader] Given that Kei Nagai's monther had arranged his closest female friend to be his wife, (Y/n) had her life set up with Nagai. Well, as a human that is. Since the day that Nagai died for the first time, the life that he had looked forward had gone away. On that day, his mother had also told him about his love life as well, which had made everything worse. Nagai had liked (Y/n) before the two stopped talking, but he had hidden his feelings. Now knowing that he can no longer have a normal life, Kei Nagai soon finds out how wrong he is.