Master Villainess the Invincible! - Vol. 2 Ch. 70

[MangaDex]

 

[AkiTooru]

Isn't she poisonous ever since she took that pill? Her blood, breath and tears?
Sorry ML, I know you just recovered but here's some poison on your shoulder

 

[Brightamethyst]

Isn't she poisonous ever since she took that pill? Her blood, breath and tears?
Sorry ML, I know you just recovered but here's some poison on your shoulder

That was my first thought too.

 

[Bloddrake]

I think they specified that the poison only activates when running Ki trough it.