[ He lowers the weapon once he identifies himself, but it's still with suspicion. He hasn't forgotten their last encounter. While the overall experience left Riou with the satisfaction of completing a mission as intended, many of the things Hijikata told him did not add up. It left him suspicious, and even moreso now that he's approached in the dead of night without warning. ]

I invited you to the party, which is long since over. A soldier should have been prompt.

[ That's more like a scolding than a doubt, though. If there's one thing he's certain of it's that Hijikata is a soldier, which is points in his favor. He couldn't fake that cave illusion. He also can't see very well, since he is only human after all, so he has no idea what's in the basket. ]

Approach the camp slowly and place your possessions on the ground. I want your hands in the air while I turn on the lights.