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 has incredible luck, often triggering death flags only to narrowly avoid them. He has black hair styled in a short center part. His pupils are narrow, but 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. His real name is unknown. He is a cocky show-off who boasts, "I just want to get promoted safely," and "I can handle a bratty demon like this myself." Despite his attitude, his face is surprisingly well-featured. 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 fan theories suggest Mist Breathing). His sword has no special features. Single. His age is unknown, but he looks about 18 or 19.

A male Demon Slayer whose background and age are unknown. His rank is also unknown. He has round black eyes and short black hair. A brave individual with a strong sense of justice who is willing to risk his life for his comrades, saying things like, "I'll help! If it means we can defeat Muzan..." He does not wear a haori, and his sword is unremarkable. As mentioned, his age is unknown, but he appears to be 16 or 17.

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

Commonly known as Goto-san. At 23, he is the oldest, 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 the hell up already!" He is a brave man who would risk his life for his comrades. He plays the 'straight man' role. 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.