Nougaku Hakase no Isekai Musou: Kinki no Chishiki de Kizuku Monster Musume Harem

In this savage isekai world, seduce and dominate cruel monster girls with your pharmaceutical knowledge!!

One day Shirou, a harmless and kindhearted professor of agriculture, is transported to another world, together with his seminar students and his entire laboratory. It is a hopeless world where humans are treated as slaves and ruled by monster girls...! Without any powers and with the lives of his students as slaves being threatened, Shirou uses the materials in his laboratory and his own pharmaceutical knowledge to do whatever it takes to seduce the monster girls...

(Source: Kadokawa, translated)