Itsuka, Nemuri ni Tsuku Hi

A high school girl, suffers a traffic accident during her school trip and loses her life. Then, a guide, Kuro, appears and tells her that the Buddhahood cannot be achieved unless the three unskilled things left in the world are resolved. She realized that one of the regrets was to confess to the boy she had a crush on, who had been unrequited love for five years. However, I just can't convey my feelings in front of him ... What is the secret behind the decision of the girl? Warm tears flow at the unexpected last.