Domination Elixir / 支配のエリクシール

Young and beautiful knight-captain Rihanna, who is called "the strongest".
A strong and proud female knight everyone longs for.

Gokutsubushi, Gios, stares at her from the shadows with her lower eyes all day long.
However, for such Gios, a turning point comes. Receive an ancient alchemical relic called "Elixir of Dominance"
which will allow you to use hypnosis if you drink it
...
The magic drug replaced the temporary study of hypnosis magic each time it was taken.
Gios used a magic drug, mastered hypnosis, and took action to make Rihanna his own.