That's... a long story.

I've been secretly making it as a hobby for a while now... It's a drug I'm personally attached to.

Though I never thought I'd have the opportunity to use it like this.

By the way, the kind I have prepared now is a very fast-acting injection.

You're Doumoto, right? Do you know how to handle a syringe?

Or rather, do you really have any clinical experience? You don't seem very smart.