Asahi finds out he has to retake a cooking class, having missed the previous one. He is delighted to find out that Yōko, Nagisa, and Shiho are joining him in making curry, but soon finds out that all three girls have trouble making it.

Asahi and Nagisa were invited by Youko, Shimada, Oka, and Sakura (respectively) to the Summer Festival; however, Youko tricked them into together on them spending an exciting time 'alone together'.