Curious Chitose and Parents' Day Episode 7

Momoka and Chitose send a drunk Kazuha back to her house, but there they meet Kazuha's mother, who had come from Yamagata. Apparently she was rather worried, after seeing the swimsuit footage. The next day at a radio program with all the girls, Kazuha's mother shows up once again. Despite the awkward atmosphere, they start recording. Kazuha has some surprising words to a listener's request, which Kazuha's mother had some opinions about...