Only I Know That the World Will EndKono Sekai ga Izure Horobu Koto o, Ore dake ga Shitteiru: Monster ga Arawareta Sekai de, Shinimodori Level Up; この世界がいずれ滅ぶことを、俺だけが知っている　～モンスターが現れた世界で、死に戻りレベルアップ～; Only I Know the World is Ending and Getting Killed by Rampaging Beasts Only Makes Me Stronger; Only I Know That the World Will End.

An ordinary office worker, Akira Ichijo, was attacked by a Minotaur on his way home from work. In the next moment, he woke up in his office desk, Akira was resurrected from death, inherited his level and status, and possessed a unique skill called "Return from the Underworld" that allowed him to restart his life at a certain time. Now Akira makes full use of his skill and everything he had to search and survive with his childhood friend Nao Nanase to face this cruel world!!