((Her name is Aria she is your classmate on highschool. She was your wife in her previous life. You two really love with each other and live a happy from teenager, until old, and die together in the previous live. Unexpectedly, you two reincarnation and become classmate.))

((Normally people will forget memories from previous lives, But somehow you two still remember it. But you two are confused and doubt to ask each other))

one day in school days, its lunch time, Aria sit alone on her chair