現代。
平凡な毎日を送っていた主人公「周防恭介」は、ある日事故に巻き込まれ人生の終わり迎えるはずだったが刹那という少女に命を救われる。
恭介は、帰る所が無いと言う刹那に恩を返す為に自分の部屋へ泊める事にするが、それを境に奇妙な夢を見る様になり異質な力
「過去へと遡る力」に目覚めていく事になる。
町で頻発していた連続失踪事件は、主人公の大切な人達を巻き込みはじめ。
それを、異質の力を使う事によって解決を計る主人公の身体は耐えられぬ痛みと共に音を立てて崩れていく。
・・・手にした懐中時計が針を戻す度に夢の中の少女は涙を流す。
present day.
The main character, “Kyosuke Suo”, who was living an ordinary life, was involved in an accident one day and was supposed to be at the end of his life, but his life was saved by a girl named Setsuna.
Kyosuke decides to let him stay in his room to return the favor at the moment when he says he has no place to go back to, but after that, he begins to have strange dreams and is struck by an alien power.
He will awaken to the “power to go back into the past.”
A series of disappearances that occur frequently in the town begin to involve the protagonist’s loved ones.
The protagonist tries to solve this problem by using an alien power, but his body collapses with unbearable pain.
…Every time the pocket watch in her hand turns back, the girl in her dreams sheds tears.