Konatsu is doing her best to adapt to her new school, but being required to join a club has introduced additional pressures. Her friendly classmate Kaede invites her to join the Home Ec Club, but Konatsu hasn't even had time to consider which club she's interested in. Meanwhile, Koyuki is like a ray of sunshine in Konatsu's cloudy world. Will Konatsu join the Aquarium Club?