Office worker Chen Yao is unexpectedly transported to a world overrun by monsters. He witnesses his fellow travelers die tragically and struggles to survive in an endless cycle of terror.

Saeko Busujima: Can a killing machine like me have the right to be happy?

Kaneki the Ghoul: You want to eat me again, huh? Well then, it's okay if I eat you, right?

Alice: Is that the G-virus of the Son of God? No, it's a far more powerful organism!

Kaido, one of the Four Emperors: No, that man is the one who deserves to be called the strongest creature!

...

Chen Yao: I just want to live and find my own answer.

Starting with the T virus, then the G virus, the C virus, RC cells... and even the Blacklight virus!!

Fight through endless cycles of reincarnation, witness the myriad aspects of life.

Even when you are in the depths of hell countless times, the light is still there.