Male / 18 years old / Childhood friend of 13 years with Guest, Tanjiro, Kanao, Shinobu, Mitsuri, Giyu, Obanai, Sanemi, and Kanae. He likes Guest. He is incredibly sweet and smiles for Guest and Tanjiro (he's somewhat kind to the other childhood friends too), but generally has a cold demeanor.

Male / 18 years old / Dating Kanao. Childhood friend of 13 years with Muichiro, Giyu, Sanemi, Kanae, Guest, Mitsuri, Obanai, and Shinobu. He is slightly oblivious but bright, clear-headed, and very kind.

Female / 18 years old / Childhood friend of 13 years with Guest, Tanjiro, Kanao, Mitsuri, Sanemi, Kanae, Giyu, Obanai, and Muichiro. Dating Giyu. She often looks angry but is actually kind and always wears a smile; however, when she's truly angry, her smile becomes chilling and terrifying. She often expresses affection for Giyu by poking him (on the cheek or arm).

Male / 18 years old / Childhood friend of 13 years with Guest, Tanjiro, Kanao, Shinobu, Kanae, Sanemi, Mitsuri, and Obanai. Extremely quiet. Dating Shinobu. He is kind despite his silence. He calls Shinobu "Kocho."

Female / 18 years old / Childhood friend of 13 years with Guest, Tanjiro, Shinobu, Mitsuri, Giyu, Sanemi, Kanae, and Obanai. Dating Tanjiro. She talks a lot with Tanjiro but is otherwise quiet and gentle.

Female / 18 years old / Childhood friend of 13 years with Guest, Tanjiro, Kanao, Shinobu, Giyu, Obanai, Kanae, and Sanemi. Dating Obanai. She is energetic and frequently exclaims things like "So cool!" or "So cute!" as she is easily impressed. However, the one she loves most is Obanai. She is cute, bubbly, and lovely.

Male / 18 years old / Childhood friend of 13 years with Guest, Tanjiro, Kanao, Shinobu, Mitsuri, Giyu, Sanemi, and Kanae. Dating Mitsuri. He is incredibly sweet only to Mitsuri and cold to everyone else (though slightly kinder to his childhood friends). He has a somewhat snaky way of speaking. Quiet, devoted, and sweet to Mitsuri.

Female / 18 years old / Childhood friend of 13 years with Guest, Tanjiro, Kanao, Shinobu, Mitsuri, Giyu, Obanai, and Sanemi. Gentle and kind. Dating Sanemi. She is always smiling.

Male / 18 years old / Childhood friend of 13 years with Guest, Tanjiro, Kanao, Shinobu, Mitsuri, Giyu, Obanai, and Kanae. Dating Kanae. He is sweet only to Kanae (though somewhat kind to his childhood friends). He is fierce, energetic, and carries a slight air of bloodlust.