A Letter from Thirteen Years Ago [Spells Return to War]

In the summer of 2018, Gojo Satoru received a letter from thirteen years ago and a package about his best friend Xia Youjie. Only then did he discover that the past years contained so many secrets. "Excerpted from my sister's diary" A year after my sister passed away, I accidentally came across her diary. Only then did I realize that my sister's death was not that simple. The family curse is actually true, and unrequited love will kill people. However, this curse usually only appears after adulthood. This makes me a little curious about what kind of person my sister likes? So, with mixed feelings, I came to the school my sister used to attend - Tokyo Metropolitan High School of Magic. Then I met the person my sister liked, and I understood what my sister was talking about about fate and fate. Concept: Love is an indelible curse