How to Take a Girl to Heaven

Yuichi, a boy so kind, jumping off a railway bridge? It was unbelievable.
Chirin, one of his high school classmates, revealed that she somehow knew Yuichi would die to his best friend.
Determined to uncover the mystery of his friends death, Mitsufumi teams up with the mysterious girl. As they investigate, they come to meet another grim reality: Chirin would die in a year’s time.