The second female protagonist was once the hero's childhood sweetheart, but her family forced her to die. The male protagonist kept thinking about his past with the second female protagonist for several months. Until they met the heroine, they fell in love very much. Soon the heroine heard what others said and misunderstood the hero, so she sympathized with the second heroine. On the night when the heroine and the hero got married, the hero was stopped by the villain and didn't come, so the heroine hid in the cabinet of the new house and suffocated herself to death.
Purpose: Companionship is the most affectionate confession