The Enemy Captain, Hyrein

Short Summary
''Yūma and Jin fight Viza and Hyuse respectively; Suwa Squad fights Enedra; and Osamu, Karasuma, and the C-Rank trainees are attacked by Rabbits. Yoneya, Midorikawa, and Izumi join them. However, feeling that the mission was getting nowhere, Hyrein joins the battle himself, cubifying Chika.''

Triggers in order of appearance

 * Alektor (debut)
 * Gimlet (debut)

Adapted From

 * Chapter 66
 * Chapter 67
 * Chapter 68