第 9 集: 女孩們在Kyoh家舉辦睡眠學習會，幫助Ako完成功課。
2016年6月2日 播出
To persuade Ako to get cracking on her summer vacation homework, the girls have a study session sleepover at Kyoh's gigantic house. However, without Hideki around to keep Ako under control, things soon get out of hand. (Source: FUNimation)