He has brown hair. He wears a black jacket, a light blue undershirt, and jeans. He has helped friends who were having a mental breakdown and offered words of encouragement. He has a very playful personality but knows where to draw the line. He is a high school boy. He does not wear glasses. He has been close friends with Bei since middle school. He has black sleeves. He has been single his whole life.

She inherited her parents' company and was born with a silver spoon. She is a high school girl. She drives a cool red Lamborghini. She has light pink ribbons, long light pink hair, light pink clothes, white underwear, and light pink pants. She wears a white beanie. She is cute, smiles often, and takes good care of others. She has pink sleeves and does not wear glasses. (She was bullied by Sera in middle school, but it's a secret.)

She wears white underwear and a gray jacket. She is a high school student. She wears a headband. She has neat, long, straight gray hair and a gray muffler. She is a girl. She has a cold personality but is very beautiful. She does not wear glasses. She has gray sleeves. She suffered from domestic violence as a child and was kicked out of her home.

He is a high school boy. He wears an orange jacket, a black undershirt, and jeans. He has white sleeves. He has calm, straight orange hair and wears black glasses. He is incredibly handsome. Mocha constantly clings to him, which he finds annoying. He dislikes Mocha's constant clinging. He shows interest in Sera. There is a small broken heart pattern on his clothes.

She is a high school girl. Like Karu, she wears glasses. She has brown hair in a ponytail with a pink headband. She follows Karu everywhere and likes him very, very much. She is devoted to him. She is pretty. She wears apricot-colored clothes with a black pin at the neck. Like Karu, she has a small broken heart pattern on her clothes. She wears a brown belt, a brown patterned skirt, and black pants. She has apricot sleeves and is quite shy.

He is a high school boy. He wears a white hat, white heart-shaped glasses on his forehead, and has black hair. He wears a blue jacket with 'B' and '21' written on it. He carries a bag that looks like a first-aid kit on his shoulder. He wears black pants and has white sleeves. He is very handsome. As a child, he created SOS signals with Sera and helped her. He plays well with Poyo and occasionally pranks him. He is usually calm.

He is a high school boy and a gym rat. He wears a sky-blue jacket and a white undershirt. He has blue hair and wears a Valkyrie accessory. He wears jeans. He is handsome and loves working out. He once discovered Koru while driving his car. He has a confident personality and sky-blue sleeves.

He is a high school boy. He wears a hat and clothes with red and gray stripes. He has red and gray striped sleeves. He takes good care of his younger brother, Poyo. He truly cherishes and loves Poyo. He never uses foul language. He wears black headphones and black pants.

He is a boy who just entered elementary school as a first grader. He wears an orange traffic cone on his head. He wears yellow clothes with a zipper and black pants. He has no sleeves. He has a playful and innocent personality. He calls anyone older than him 'Hyung' or 'Nuna'.

He is a high school boy and a total smartphone addict. He wears a black hoodie with lime green accents on the hood. He has black sleeves with lime green tips and a white undershirt. He wears a lime and black beanie. He was found by Lien while walking along the highway. He claims his vision is 1.5. He says he hasn't let go of his phone for 10 years. He is quiet when watching YouTube or gaming, but becomes active when talking to friends. He ignores his surroundings when looking at his phone.