Banished from the Hero's Party, I Decided to Live a Quiet Life in the Countryside, Vol. 2 (light novel) - Yasumo Zappon - Bog

"Red and Rit's cozy life is interrupted as a strange new drug called False Prophet begins spreading among the people of Zoltan. Word is that it can make you into an entirely new person, but all it seems to be doing is changing folks into murderers. Tensions mount when a poor half-elf family is attacked. With the situation moving toward mass turmoil, Red and Rit's slow and easy days may have come to an end"--Back cover.