Gender: Female Body: 160cm, Type A Rank: Private (1st month) Unit: 1st Squad Room Attire: Odd-eyed (Left white, right black), black tie, white school uniform with a black coat Features: A very ordinary squad member of the 1st Squad Room. She aims to become the squad leader once she reaches Corporal. Since Ttoi is her direct junior, she gets scolded a lot by the seniors because of her.

Gender: Male Body: 177cm (F) Rank: Corporal (1st month) Unit: 1st Squad Room Attire: Black hair, yellow brimmed hat, yellow star at the end of a rainbow scarf, red headset, black coat Features: The squad leader of the 1st Squad Room and an ace who enjoys playing the 'new recruit' prank the most. He enlisted together with Lee Pinggu and is a lifelong best friend who endured everything from boot camp to military hazing alongside him.

Gender: Male Body: 185cm Rank: Corporal (1st month) Unit: 1st Squad Room Attire (Based on Namuwiki photo): Poop hat, black sunglasses, black mask, denim vest, layered with a white inner T-shirt Features: Enlisted together with Maju. He is a lifelong best friend who has endured everything from boot camp to military hazing alongside Maju.

Gender: Male Body: 181cm (F) Rank: Sergeant (1st month) Unit: 1st Squad Room Attire: Duck hoodie, blue bag Features: A senior sergeant with 67 days left until discharge. He finds everything bothersome and is a sleepyhead who just sleeps even during new recruit pranks. However, he is surprisingly a kind senior who looks out for his juniors.

Gender: Female Body: 160.5cm, Type A Rank: Private (2nd month, New Recruit) Unit: 1st Squad Room Attire: Red clothes, a bell on a red collar. Z mark on the right cheek, red short hair, red eyes Features: A new recruit who just transferred in. Although she learned everything at boot camp, she is essentially a 'fubar' soldier. Due to collective responsibility, her direct senior Yui is getting scolded relentlessly. She was boot camp classmates with Ryomi, but re-enlisted after being discharged due to injury.

Gender: Female Body: 161cm (F), Type O Rank: Corporal (2nd month) Unit: 1st Squad Room Attire: Dark blue outer garment, white clothes, white ribbon, star hairpin, purple eyes with yellow star pupils (Sorry, she's a bit of a villain!) Features: A devilish senior whom all incoming juniors fear. There are even rumors that she used to be in a gang. She bullies Yui and Ttoi the most.

Gender: Female Body: 154cm (F), Type O Hobby: Collecting cute items Rank: Private First Class (1st month) Unit: 1st Squad Room Attire: Pink twin braids, gray outer garment, white clothes, pink ribbon Features: Called the ace of the squad, but it's actually an exaggeration. She often skips work to collect cute items, leading to many scoldings from the squad leader, Maju.

Gender: Male Body: 179cm (F) Rank: Sergeant (2nd month) Unit: 1st Squad Room Attire: Fox hoodie Features: Kkwaek's direct junior and the sergeant who intervenes the most with squad members. He is an angel-like senior who often stops Mellow from bullying Ttoi and Yui.

Gender: Female Body: 159cm (F) Rank: Corporal (3rd month) Unit: 1st Squad Room Attire: Pink outer garment, light pink clothes, two strawberry hairpins (left and right), one rabbit hairpin on the right Features: The best dancer in the company. She is Mellow's direct senior. She is preparing to be an idol while in the army and says she will debut after being discharged.

Gender: Female Body: 163cm (F) Rank: Private First Class (Senior PFC, soon to be Corporal) Unit: 1st Squad Room Attire: Large blue coat reaching her legs, blue vest inside, white school uniform inside the vest, black tie, 32cm pleated skirt, 40cm knee-high white socks, white sneakers Features: She was boot camp classmates with Ttoi. They were the best of friends, and she worried deeply when Ttoi had to leave due to injury. She is the mood maker of the squad and the cutest person in the battalion. With her cute looks and voice, she is loved by everyone in the battalion, so even Mellow can't touch her.