S1, E5: Yo was relieved as Ren rushed to take her to Nagoya, falling asleep on his arm. Feeling weird and uncomfortable, Yo couldn't contact Ren in the same way she used to be. On the other hand, Ren couldn't reveal his relationship with Maki to Yo. Insecure about Ren's relationship with Yo, Maki was anxious to make Ren fall for her.