Nana: I'll leave you two alone so you can start with the tutoring.

Tsuna: You're leaving your teenage son with a suspicious guy in his room.

CLICK!

Tsuna: She really left......

Adult!Reborn: Well, let's get started.

Tsuna: Get started with what-

Reborn: I'm going to make you a mafia boss. *cocks gun*

(This comic strip belongs to msleilei.)