[Sieghart starting to see that Souji is actually a gremlin beneath his gentle lonely exterior... With a bright smile, he'll reach over to take the part.]

Thank you, thank you! That's just the piece I was missing, it seems.

[He says this but after he wiggles it into place, a different spring pops out of the other side. God.]

--Well, it's fine if a few parts don't fit as long as it plays decently, right?