It was chapter 11 where Rinnosuke was wondering who was this other person Marisa mentioned who has some knowledge of the outside world than him. Curious, he hung a piece of fried tofu outside the store when Marisa mentioned Yukari had a Kyuubi Shikigami. At the end, it was unsuccessful, it was stolen, but at one point, Yukari appeared in front of him and he was frightened by Yukari's mere presence. He stated that she was unpredictable, he can't even read her unlike Reimu and Marisa.
The first step to recovery is admitting you have a problem, Ran.
It's all fried tofu's fault!!Huh? You are Yukari's shiki... Ran, right?Excuse me, I have a message from Yukari-sama.Oh yeah, I remembered something now that I see you.Some time in the past, my fried tofu had disappeared. Was it your doing?Hmm... not even shiki can resist the instinct she has... Th-that's, this, um...The Shopkeeper and The Shiki