With the different bacteria in a person's body from Earth, the MC spreads unfamiliar diseases in the new world while contracting new diseases for himself. Every time he is about to die, he levels up from the people who die and gets refreshed. The system recognizes him as the calamity of diseases and the harbinger of death while constantly going through the cycle of almost dying and getting healed.
dragongonads t1_j6gt2lu wrote
Reply to [PM] Toss me some Isekai tropes, scenarios, and/or plots. I'll do my best to add a spin on it using my character. by reikutohno
With the different bacteria in a person's body from Earth, the MC spreads unfamiliar diseases in the new world while contracting new diseases for himself. Every time he is about to die, he levels up from the people who die and gets refreshed. The system recognizes him as the calamity of diseases and the harbinger of death while constantly going through the cycle of almost dying and getting healed.