[Theres a distinct difference between how Hiro presents himself to the outside world and how he presents to people he's comfortable with. He's always a mix of nervous and arrogant when he's trying to prove he knows what he's doing to strangers but here in Tadashi's lab with Just Ruby he's generating ideas faster than he can explain them and he's more relaxed than usual.]

It's hard to imagine you being really bad with her. I know you had to start out as being terrible but I've seen you wield her enough. Crescent Rose is like an extension of you.

[He pauses to examine his new drawing. A sword with a hilt designed much like Weiss's with a revolving base to accommodate the clip, trigger small enough just for his hands and a breakdown of how the daggers connect.]

So what you're saying is I just need to practice a lot. [Hes not used to having to practice to be good at something. There's a heavy sigh before he furrows his eyebrows together to change something in the design.] Maybe I'll finally go back into ViViD and run a game myself to test stuff out.