For someone who'd "rather not see him again...", this holiday certainly seems to be changing her feelings about Ookuma, who she is getting even closer to. Perhaps the real reason she didn't wanna "ditch the plan" was so that she could have more clandestine meetings with Ookuma in the middle of the night. Makes me wonder what Chiyo would have done if it had been Ookuma instead of Igarashi that asked her if she wanted to ditch the plan...
As a guy, it's hard not to feel sorry for Igarashi whose faith and trust in Chiyo is, unbeknowst to him, completely unjustified. Poor bastard. Once again, Chiyo had the perfect opportunity to open up to Igarashi and explain why she hadn't enjoyed school since she was on the subject.
What else? I was surprised at what a bitch Miyu-chan was being. She really seems to have some emotional issues seeing how she tried her best to grind Shishijima's self esteem into the mud. I don't, for a minute, believe she's actually fallen for Takakura-kun.