Shadowverse flame arc-hen episode 3

Basically, it's similar to yugioh, card games, fate of the world, etc. in the beginning of episode 3, a female monster card called Valnareik attacks one of the protags directly with a direct kiss that is offscreen (because of the protags ages i guess) and it damages not only their life point but their physical life force as well. Here's what she looks like:

https://twitter.com/iketerusika/status/1784029297600237781

That's it!