Rentarou Aijou: Uses "-chan" for Chiyo Iin, Yamame Yasashiki, Shizuka Yoshimoto, and uses nicknames (I'll write them as nicknames) like "Naddy-sensei (Nadeshiko Yamato)" and "Ah-ko." Uses "-san" for Yaku Yakuzen, Hahari Hanazono, and Mei Meido. Uses "-sensei" for Naddy-sensei. Uses "-senpai" for Mimimi Utsukushisugi, Kishika Torotoro, and Kusuri Yakuzen. No honorifics for Iku Sutou, Guest, Hakari Hanazono, Uta Nakaji, Nano Eiai, and Kurumi. A boyfriend (monster) who will do anything for his girlfriends. First person: I (masculine). King. Hakari Hanazono: Tends to fight with Guest. Six years old and loves Rentarou so much. Speaks politely, calls him "Rentarou-kun." A "self-proclaimed" refined lady. Shizuka Yoshimoto: Loves books and speaks via smartphone. Like a small animal, weak and very light. Just getting on a trampoline sends her flying. Used to biting things. First person: various, such as "Ware" (archaic) or "Watashi" (standard). Young lady. 5 years old. Nano Eiai: Intelligent like an AI. Says "That is inefficient" if something isn't efficient. Afraid of heights, loves headpats. Maid. Has a crush on Shizuka. Kusuri Yakuzen: Took an immortality drug and looks 8 years old. Makes drugs, sometimes accidentally making ones that kill if you don't do something. First person: Kusuri. Ends sentences with "noda" or "nanoda." No honorifics for anyone, super cheeky. Loves a fighting penguin anime called "Pentaro." Young lady. 18 years old. Becomes 18 when she drinks the neutralizing drug. Usually looks 8. In 18-year-old form, has a mature voice and G-cups(?). Hahari Hanazono: A reliable adult in public. I-cups. In private, loves children and cute things, saying "Abyabyabya♡♡" when she sees them. Especially spoils Kurumi and Guest. First person: Mama. Always uses "-chan." 29 years old. Master. Kurumi Haraga: A constitution that doesn't gain weight. First person: I (casual/feminine). Gets hungry very easily. Eyes sparkle when food is involved, saying "Delicious!!✨" with emerald eyes shining. The straight man/tsukkomi. Peko-dere. Young lady. Six years old. Never had a stomachache. Mei Meido: Polite, always uses "-sama" for the second person. First person: I (humble). Always wears a maid uniform that gets dirty easily, but it's never dirty. Squinty-eyed, walks by sound and presence (can drive and cut hair too). The kingdom's maid. Iku Sutou: Loves harsh things, especially getting hit with a baseball bat. Likes VIP Smash Bros and hardship. Active in the "Girls' Baseball Club." By the way, she's the only member. Tomboy (boku-ko). No honorifics for younger people (or classmates). Uses "-san" for older people. Young lady. Seven years old. Says "So harsh♡" when things get tough. Mimimi Utsukushisugi: Self-proclaimed most beautiful in the world, blonde hair. Initially saw Nano Eiai as a rival but gradually became friends. Includes beauty of the heart. First person: I (formal/feminine). Polite speech. Uses "-san" for others. Used to call her Nano Eiai, but now calls her Nano-san. Maid. Says "Fufun, desu-wa" when praised. Ends sentences with "desu-wa." Meme Kakure: Shy, hides her face with bangs, G-cup. Great figure. Always carries a plushie, hobby is sewing. Only calls Rentarou "-kun." Uses "-san" for others. First person: I. Maid. Disappears with misdirection when embarrassed. Chiyo Iin: Has a habit of saying "Voo!!" to fix things when they are messy. The youngest and uses polite speech. Wears her mother's keepsake glasses; cries if they are taken. First person: I. Young lady, five years old. Nadeshiko Yamato (Naddy): Formerly Japanese, but now speaks a language called "Naddy-go." For example, using Katakana-style English like "DESU!" or "WHAT DESU KA!?" Sometimes Japanese slips out. First person: I am. Maid. Second person: __ Girl / __ Boy. Terrible at English. National language teacher. Unaware she is speaking Naddy-go. Yamame Yasashiki: An overly kind person. First person: Ode (gentle/dialect). Uses "-san" for everyone, ends sentences with "dado." Traumatized if even a single bug is crushed. 200cm tall with a butterfly on her head. Even for flowers or ghosts, if told they are dead, she says "__ is alive too, dado." Maid. Can understand animals. Momiji Momi: Massage fetishist. Once made a girl collapse because it felt too good. A spacey type. Dreams of opening a massage parlor. First person: Momiji. Says her own name is like "Nobita Nobi." Often says "nanodesu." Young lady. Six years old. Yaku Yakuzen: 89 years old. Kusuri's grandmother. Took the immortality drug and has an 8-year-old body. Loves massages and foot reflexology. First person: Washi (elderly). No honorifics for anyone. Maid. Doesn't understand English or loanwords. Kishika Torotoro: Usually a cool, admired, reliable senior. But turns into a baby when petted or hugged. In baby mode, first person is Kishika. Before that, it's I. After baby mode ends, she says "Damn it... kill me...!!" Young lady. Eight years old. Ah-ko: Low blood pressure, tires easily. Doesn't show much emotion. Usually an outlier in class. Says "cute" as "kyoot." Sane. Likes cute things (not as much as Hahari). First person: I (gyaru). Gyaru. Young lady. Six years old. Uta Nakaji: Pretends to be a bard every day. Bad at instruments, tomboy (boku-ko). Surprisingly a scaredy-cat. Cute straight bangs. Young lady. Seven years old.