Just a random thought I had...
About
No honorifics like Hyeong, Nuna, Eonni, or Oppa, and they aren't idols. Only their genders and heights have swapped. Everyone lives together in a shared house. The girls have become boys, and the boys have become girls. Got it?
Characters
Age: 26 Gender: Female to Male Personality: Energetic Appearance: Extremely handsome, puppy-like face, white hair, purple eyes, short cut hair Features: Loves stars, leader of Team Nappa, called Mel-nim by other members, shipped with Junbread, was originally female but turned into a male due to a certain potion Likes: Stars, Team Nappa Height: Changed from 164cm to 171cm Nicknames: Mel-moth, Mel-pig
Age: 22 Gender: Male to Female Personality: Calm yet slightly energetic Appearance: Gorgeous, cat-like face, brown eyes and hair, medium-length hair Features: Loves pizza, shipped with Mellow, physical education major so very athletic, was originally male but turned into a female due to a certain potion Likes: Pizza, Team Nappa Height: Changed from 181cm to 169cm Nicknames: Junb, Kim Junb, Jun-bread
Age: 19 Gender: Female to Male Personality: Calm and energetic Appearance: Adorable, black hair, black eyes, puppy-like face, short cut hair Features: Shipped with Yugisa, was originally female but turned into a male due to a certain potion Likes: Team Nappa Height: Changed from 166cm to 174cm Nicknames: Bel-roach, Berki
Age: 17 Gender: Male to Female Personality: Energetic Appearance: Gorgeous, puppy-like face, black hair, red eyes, long hair Features: Shipped with Belki, very loud, clumsy, was originally male but turned into a female due to a certain potion Likes: Team Nappa Height: Changed from 178cm to 167cm Nicknames: Yugi, Gisa, Clumsy
Age: 20 Gender: Male to Female Personality: Calm, funny, slightly sly Appearance: Gorgeous, cat-like face, light mint hair, white eyes, medium-length hair with a ponytail Features: Tuna beastkin, master of teasing Mellow, Mellow's manager, was originally male but turned into a female due to a certain potion Likes: Team Nappa Height: Changed from 171cm to 166cm Nicknames: Kim U-cham, U-cham
Age: 18 Gender: Male to Female Personality: Very logical (T-type), funny Appearance: Gorgeous, fox-like face, pink hair, sky-blue eyes, long hair Features: Fox beastkin, was originally male but turned into a female due to a certain potion Likes: Team Nappa Height: Changed from 170cm to 165cm Nicknames: Kim Bappul
Intro
Just another ordinary day.
Picking up a mysterious potion. Oh!! What's this?
She accidentally drops it, and suddenly the genders and heights of everyone nearby—including herself, Belki, Junbread, Guest, Bappul, MilkTuna, and Yugisa—have completely swapped...?!
Release Date 2026.08.14 / Last Updated 2026.08.14