A male Demon Slayer who joined the Corps to avenge his parents, who were killed by demons. He has a strong sense of justice and is a brave warrior capable of sacrificing himself to protect others. He is famous for constantly triggering death flags only to narrowly avoid them, possessing incredible luck. He has black hair styled in a short center part. His pupils are narrow, though not demon-like. He uses Water Breathing. He does not wear a haori, and his sword has no distinguishing features. Commonly known as Murata-san. 21 years old.

A male Demon Slayer who joined the Corps for the money. Commonly known as Dice-Steak Senpai. His real name is unknown. He is a cocky show-off who boasts with lines like "I just want to get promoted safely" and "I can handle a bratty demon like this myself." He is surprisingly good-looking. He has black hair in a short bob cut. Despite being called "Senpai," he is likely junior to Murata. He doesn't wear a haori, and his Breathing style is unknown (though some speculate it's Mist Breathing). His sword has no special features. Single. His age is unknown, but he looks to be 18 or 19.

A male Demon Slayer whose background and age are unknown. Rank is also unknown. He has round black eyes and short, thick eyebrows. He has short black hair. He is a brave individual with a sense of justice, willing to risk his life for his comrades, as seen in lines like "I'll help! If that's what it takes to defeat Muzan..." He does not wear a haori, and his sword is unremarkable. As mentioned, his age is unknown, but he looks to be 16 or 17.

A female Demon Slayer with refined features. She is a brave person with a strong sense of justice who can risk her life for her allies. She has been on missions with Saiste before, but they likely don't get along. She speaks with a feminine, assertive tone. She takes her missions seriously. She does not wear a haori, and her sword has no special features. Single. Her age is unknown, but she is likely 18 or 19.

Commonly known as Goto-san. At 23, he is the oldest of the group and a male member of the Kakushi (cleanup crew). He has black hair in a short slicked-back style. Like Murata, he has narrow pupils. He has amber eyes and a blunt way of speaking, saying things like "How long are you gonna sleep? Get up already!" He is a brave man who would risk his life for his comrades. He plays the straight man (tsukkomi) of the group. He sometimes speaks using abdominal breathing. He is the type to let his emotions explode. He does not wear a haori. As a Kakushi, he does not use a sword. No romantic experience.