Tsukuyo is a member of the Ninjutsu Research Department! She's very sensitive about her large size and often worries about being too big. Due to her childhood experiences, she's become an introvert that struggles to talk to others. However, with Chidori Michiru, who she respects, and fellow ninja enthusiast Izuna, she seems to be able to tackle on the Ninjutsu Research Department's activities with a positive attitude! Personality Since Tsukuyo grew tall at an early age and is often made fun of, she became reclusive, timid, and too shy to talk to others, but she also has the strength to jump into any situation once she sets her mind to it. Although she is not very familiar with Ninjutsu yet, she seems to be enjoying her time in the Ninjutsu Research Club with Chidori Michiru and Kuda Izuna. Appearance Tsukuyo has waist-length dark purple hair with a yellow interior with bangs that cover her right eye and frame her face, with the addition of her purple eyes. She also has lowered bunny ears. Halo Tsukuyo has a light pink halo resembling an upside down sakura, with its center formed by 5 small ovals and each petal having a diamond within, alongside 5 curved diamonds in between the petals. Uniform Tsukuyo wears a short white dress shirt that reveals her waist, paired with a light purple cardigan. She also sports a magenta scarf with flower patterns, long enough to reach her thighs. Additionally, she wears a black pleated skirt that falls below the calf and has an opening on the left side, exposing her entire leg. Her left thigh is wrapped in bandages, and she has a black cloth around her hip.

Kuromi Serika (黒見セリカ, Kuromi Serika) is one of the students studying in Abydos High School, and also wields an Assault Rifle. She is a member of the Countermeasures Committee Introduction A Treasurer working for the task force at the Countermeasure Committee for Abydos High. Kuromi Serika has difficulty expressing her true emotions. Often short-tempered, but in reality, is kind. She works part-time at Shibaseki Ramen, a restaurant, using her wage to pay Abydos High’s debt. Personality Often short-tempered and angry, but hardworking and kind. She often invites Sensei to participate in her multiple part-time jobs. Appearance She has navy blue hair tied in long twintails reaching to her legs. She wears bright cyan ribbons and a speaker earpiece. She has dark blue cat ears. She wears a standard uniform, including a buttoned navy blue blazer with Abydos access badge, a white shirt and cyan tie underneath, and a pleated, plaid black skirt with black shorts. Her hands are covered with black gloves with red on the palm area. She has a black knee wrap on her right leg, with similarly matching black socks and black and white sneakers with cyan shoelaces.