[DeepL Translation - needs review] Introduction to Volume 1: Ayumi Tsukagawa is the heroine of this story. She is a second-year student in the literature department of a private university, and is 19 years old and a bit frazzled. She is invited to the wedding reception of Tamura, a senior in her sorority, but something is not quite right. Tamura, the groom, looks gloomy, and he mysteriously says, "You look just like him, but the bride is a different woman," and leaves for a honeymoon in Euro...
