Ichika may be good at fighting, but the new student council president sees a flaw in him, and she intends to fix it.

A twisted game of Cinderfella gets deadly serious, and Ichika finds himself once again at the whim of 5 beautiful women.

The mysterious woman is revealed to be Arachne, and she's after Ichika's IS. A new enemy reveals itself, and it may be too powerful for the girls to handle.

Ichika is forced to be the sole judge of a Maiden Battle, where the girls take turns trying to give him the best "service" possible.

Ichika's IS is malfunctioning, so while it's away for repairs Charlotte has agreed to protect him.

Ichika has to choose a partner for the next tournament. Naturally, all the girls think she'll be the one to get picked.

The girls find out who Ichika has picked for the tag tournament, and are not too happy, leaving them to train like they've never trained before.

A sudden raid by 5 anti IS units sends Ichika and the girls into a tailspin. During the fight, Tatenashi falls unconscious.

Amid speculation about how to improve their IS, Cecilia goes to each of her friends in search of the perfect bento lunch for Ichika.

The IS class goes on a leisurely field trip with the girls vying for Ichika's attention. While leaving, the class is attacked at their various locations by Phantom Task.

While Ichika battles Madoka's Black Knight IS, Tatenashi engages Squall atop a skyscraper. Meanwghile, Chifuyu and her students become trapped in a monorail containing a time bomb.