and since you have an interest in chemistry,

you're the best one to work with chemicals, Rinne.

...I'm not interested in chemistry.

I'm interested in you.

...What? you're interested in this Oji-san?

...Earlier at home, you talked about the head of the organization.

You said something like "Why is an elite working as a Yakuza?"

You used to go to a good university in the surface world.

Medicine...ingredients? You had to do some difficult research for that, right?

...So why are you an assassin's gofer?

I explained this before.

I have no talent as a scientist.