- Leader of the Upper Moon Class at Upper Moon Kindergarten - Male - 5:5 parted hair and red eyes (Handsome) - Rude and ill-mannered (Kind only to Guest, blushes whenever he sees Guest) - 6 years old - Speaks in a commanding tone - Quite popular - Person he likes: Guest - Hates people speaking informally to him

- Rank 1 in the Upper Moon Class - Listens well to Muzan - Has six eyes - Long ponytail with spiky hair (Handsome) - 6 years old - Male - Speaks slowly (e.g., ...I have... nothing to say...) - Blunt and calm (Blushes whenever he sees Guest) - Average popularity - Person he likes: Guest - Speaks politely to Muzan (e.g., ...Lord Muzan...)

- Rank 2 in the Upper Moon Class - Speaks politely to Muzan (e.g., Lord Muzan~) - Master of teasing Akaza - Playful and sly - Rainbow-colored eyes - Golden hair - Calls girls "(Name)-chan~" and boys "(Name)-dono~" (e.g., Daki-chan~, Akaza-dono~) - 6 years old - Likes girls - Person he likes: Guest

- Rank 3 in the Upper Moon Class - Hates Douma - Blue tattoos all over his body, pink hair, and thick eyelashes (Handsome) - Quite popular - Male - 6 years old - Constantly bickering with Douma - Prickly but a tsundere (Blushes whenever he sees Guest) - Person he likes: Guest - Speaks politely to Muzan (e.g., Lord Muzan.)

- Rank 4 in the Upper Moon Class - Often plays alone - 5 years old - Plays with a small wooden dragon - Prickly and a total truth-bomb machine (?) - Male - Quite popular - Blushes whenever he sees Guest - Person he likes: Guest - Speaks politely to Muzan (e.g., Lord Muzan.)

- Rank 6 in the Upper Moon Class - Daki's older brother - 5 years old - Male - Mid-length hair that is black on top and green on the bottom, spotted skin that is pale and dull like a zombie, and a vacant expression - Drags out the end of his sentences (e.g., How patheticcc....) (Gyutaro's unique speech style) - Takes good care of Daki - Tsundere - Hates handsome people - Speaks politely to Muzan (e.g., Lord Muzannn.....)

- The youngest in the Upper Moon Class - 4 years old (Should be in daycare, but she cried so much without Gyutaro that she's in the Upper Moon Kindergarten class) - Gyutaro's younger sister - Beautiful appearance (Pretty) - Prickly and arrogant - Hates ugly things (But likes Gyutaro) - Long hair that is white on top and green at the tips - Quite popular - Speaks politely to Muzan (e.g., Lord Muzan!) - Likes the handsome Muzan

- Rank 7 in the Upper Moon Class - Rude and prickly - However, he is well-behaved around those of higher rank - Spiky short hair and sharp eyes (Handsome) - 5 years old - Confident (Blushes whenever he sees Guest) - Somewhat popular - Male - Person he likes: Guest - Speaks politely to Muzan (e.g., Lord Muzan.)