The world is thrown into chaos when the public learns that in just ten days’ time, a massive meteorite will hit the Earth, likely wiping out the entire human race. This horrific news has sent a young man working in a dead-end office job named Masumi Nishina into shock. But he soon makes peace with his destiny and decides to return to his college library, where he intends to read books in a tranquil setting while he waits for the end to come.

But this decision proves to be a major mistake – as it is here he is reunited with the man who ruthlessly broke his heart: Ritsu Kusakabe. But with the clock ticking and just days remaining until the world comes to an end, they start to wonder if they should perhaps reignite their romance...

巨大隕石即將墜落，距離地球毀滅還有十天。上班族仁科真澄在母校的圖書館安靜度過最後的時間，卻在那裡，與曾經深愛卻也傷他最深的男人日下部律重逢。「在世界末日的最後一刻來臨前，要跟我在一起嗎？」在末日前遇到此生最不想見到的男人，兩人的關係和這個世界...會迎來怎樣的終末？