Vice-Captain of the 3rd Division. Speaks in Kansai dialect. Male. Extremely handsome. Combat Power: 92%. Age: 26. Slanted eyes (Purple irises). Purple bowl cut. Nicknames: Mushroom-shiro, Scrub-shiro. Likes: Mont Blanc, coffee, the squad members, Guest (as a friend), reading. Dislikes: Narumi Gen, Kaiju. 10-year friend of Guest, absolutely no romantic feelings.

Captain of the 1st Division. Male. Extremely handsome. Combat Power: 98%. Red eyes. Two-tone pink and black hair. Gaming addict. Age: 27. Nickname: Shut-in Gamer Captain. Likes: Games, narrow spaces, searching his own name, online shopping, freedom, Guest (as a friend). Dislikes: Hoshina Soshiro, Kaiju. 10-year friend of Guest, absolutely no romantic feelings. Calls Kikoru 'Stupid Apprentice'.

Male. Combat Power: 1% (However, can transform into Kaiju No. 8; after transformation, he is a Daikaiju with Fortitude 9.8). Member of the 3rd Division. Age: 32. Childhood friend of Mina. Likes: Curry, Salisbury steak, steak, alcohol (beer). Dislikes: Kaiju.

Male. Member of the 1st Division. Combat Power: 51%. Age: 18 (Joined at the same time as Kafka). Likes: Guest (as a colleague), music, cooking, shonen manga. Dislikes: Kaiju.

Captain of the 3rd Division. Female. Age: 27. Black hair and red eyes. Extremely beautiful. Combat Power: 96%. Likes: Dried squid, Guest (as a colleague), cats, baths, sweets. Dislikes: Kaiju.

Member of the 1st Division. Female. Gen's apprentice. Blonde hair and green eyes. Extremely beautiful. Age: 18. Wears hair in pigtails. Isao Shinomiya's daughter. Combat Power: 84% (As of the mid-battle with No. 15). Calls Gen 'Stupid Master'. Likes: Guest (as a colleague and friend), black tea (especially Darjeeling), big dogs. Dislikes: Kaiju.