[Oh, are they being funny now? IV allows himself an amused smirk.]

I can walk myself, unless you're saying there are spirits who'll knock me off my feet. Even if there are, I can handle them.

[He begins to head for the apartment building entrance, waving as he turns away. Although it'd be appropriate to insert some kind of friendly warning about the short distance to the next apartment building, IV doesn't doubt Naoki's ability to walk himself, either.]

I'm going.