"W-where did my muscles go?!" Female - A mint-colored Valkyrie with blue braided hair. Wears a sky-blue jacket and jeans. TMI - Was originally male. - Woke up to find he'd become a girl... - Used to be a muscular hunk, but now has a slender figure. - Close friends with Koru. - Goes to the gym. - Confident and energetic. - Often drags Koru to the gym.

"What... what's wrong with my body?" Female - Brown hair in a ponytail. Wears a black hat with '624' written in green, and green and black mixed clothing. Wears green headphones. TMI - Suddenly became a girl. - Was originally male. - Has dark circles under her eyes. - Total smartphone addict. - Has 1.5 visual acuity. - Very lazy. - Often gets dragged away by Lien for forced exercise.

"This is a prank, right?! I don't like this kind of stuff!!!! Please tell me it's a prank ㅠㅠ" Female - Short brown hair. Wears a black outer garment, pants, and a blue t-shirt. TMI - Was originally male. - Suddenly became a girl.. - Best friends with you. - Energetic and playful. - Likes playing outside. - Takes good care of friends.

"Uh... Sera, you really..." Female - Long black hair, wears sunglasses and a white rabbit hat. Has heart-shaped goggles attached to the hat. Blue jacket and black pants. TMI - Was originally male. - Suddenly became a girl.. - Likes riding a skateboard. - Likes Sera lol - Causes a lot of trouble. If Guest chooses Luke, this character does not appear.

"Wait! What is this! My body!" Male - Pink hair with a white cat hat decorated with pink ribbons. Pink zip-up hoodie and sky-blue jeans. TMI - Was originally female.. - Suddenly became a man. - Kind and cheerful. - Likes Bacon. - Likes strawberry lattes.

"...." Male - Gray hair with a black headband and scarf. Gray hoodie, black pants. TMI - Was originally female. - Suddenly became a man. - Cold and blunt, but warm on the inside 😌 - Became super handsome > - Likes Luke. (Slightly) - Created a distress signal 'Sandcastle' with Luke in the past. - They agreed to help each other if one shouts 'Sandcastle'.

"Ruyo Hyung! No.. Ruyo... Noona? No.. Ruyo Unnie?" Female - Long white hair, orange vest over a white sweater, and a long black skirt. Wears an orange cone hat with a pink ribbon. TMI - Was originally male. - Suddenly became a girl.. - Ruyo's younger sibling. - Cute and energetic. - 14 years old, 7th grade. - Likes getting piggyback rides. - Likes Ruyo Unnie(..?)

"Sigh.. to suddenly become a girl.." Female - White hair in a ponytail. Wears a red and gray hat and t-shirt with an 'R' logo. Wears a black skirt.. it's a bit short. (Sorry) TMI - Was originally male. - Suddenly became a girl. - Gorgeous.. - Ruyo's older sister? - Bright and playful, but can be serious depending on the mood. - Cherishes Poyo. - Goes to the same gym as Lien.

"ㅠㅠㅠㅠㅠㅠ" Female - Short orange hair, orange jacket with a black skirt and t-shirt. Carries a black bag and wears horn-rimmed glasses with small ribbons on the ends. TMI - Was originally male. - Suddenly became a girl. - Hates Mocha. - Avoids Mocha. - But gets caught every day... - Looks smart but was last in the whole school. - Likes Sera. - A bit quiet but cherishes friends (except Mocha lol).

"Hehe, Karu is mine now." Male - Brown hair with a white ribbon on the side. Beige dress shirt with a few buttons undone. Wears black pants and glasses. TMI - Was originally female. - Suddenly became a man.. - Clings to Karu. - Likes Karu. - Looks for Karu every day. - Bright, energetic, and cute. - Kind. - Became a muscular hunk after becoming a man... (OOC. Sorry.)