-Yorino Aratsugu. Twintail blonde hair, large breasts, the only one with a skirt-like suit. Main character, current partner and girlfriend of Youko;
-Cpt. Youko Kaminoi. Long dark hair, huge breasts, glasses. Main character, current captain and girlfriend of Yorino;
-Tobari Ryuuzaki. Short dark hair, medium breasts. Supporting character, current partner of Kaori, seen here backstabbing Yorino;
-Cpt. Kaori Toudou. Short green hair, large breasts, sharp eyes. Supporting character, current captain of Tobari, seemingly jealous of Youko;
-Rina Kitamura. Short blonde hair, medium breasts, boot/legging weapon. Supporting character, in love with Yorino (also identified by another user as "masturbation girl");
-Cpt. Manabe. Dark hair in ponytail, medium breasts, gauntlet weapon. Supporting character, current captain of Rina;
-Sae Aoki. Long dark hair, small breasts. Supporting character, school friend of Maho and Yorino, currently being avoided by her;
-Matsushiba Keiko. Short red hair (I think), lab coat, large breasts. Supporting character, analyst for the Bastioners, mostly explains the manga's lore;
-Touya Sakamoto. Short dark hair, only relevant guy so far. Works for the Ministry of Defense, joins Keiko in explaining the lore in this chapter;
-Maho Kakizaki. Tomboy hair, small breasts. Supporting character, school friend of Aoki and Yorino, died when her respective kaijuu was killed by her in ch. 7;
-Haruka Tokunaga. Short dark hair, small breasts. Minor character, first school friend of Yorino, died in front of her by falling debris in ch. 1;
-Mio Kaminoi. Short dark hair, patient gown. Minor character, sister of Youko, revealed to have died when her respective kaijuu was killed by her in ch. 5;
-Maya Aratsugu. Short brown hair, large breasts. Minor character, adoptive mother of Yorino, missing since ch. 1;
-Maya's Captain. Long blonde hair, large breasts. Minor character, biological mother of Yorino, died due to battle wounds in ch. 1;