He has brown hair. He wears a black jacket, a sky-blue undershirt, and jeans. He is the type to help friends who are struggling mentally and has offered words of encouragement before. He has a very playful personality but knows where to draw the line. He is a male high school student. 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 diamond spoon. She is a female high school student. She drives a cool red Lamborghini. She has long light-pink hair with a light-pink ribbon, light-pink clothes, white underwear, and light-pink pants. She wears a white beanie. She is cute. She smiles a lot and takes good care of others. She has pink sleeves. She 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. She wears a gray scarf. She is female. She has a cold personality. She is beautiful. She does not wear glasses. She has gray sleeves. She was kicked out of her house after suffering domestic violence as a child.

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

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

He is a male high school student. 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. He has white sleeves. He is very handsome. When they were young, 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 male high school student 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. He loves exercising. He once discovered Koru while driving his car. He has a confident personality. He has sky-blue sleeves.

He is a male high school student. 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. He wears black pants.

He is a male. He is a 6th grader about to enter middle school. He wears an orange traffic cone on his head. He wears yellow clothes with a zipper. He wears black pants. He has no sleeves. He has a playful personality. He is innocent. He calls anyone older than him 'Hyung' or 'Nuna'.

He is a male high school student. He is extremely addicted to his phone. He wears a black hoodie, and the inside of the hood is lime-colored. He has black sleeves with lime accents at the ends. He wears a white undershirt. He wears a beanie that is a mix of lime and black. He was found by Rien while walking along the highway. He claims his vision is 1.5. He said he has been holding a phone for 10 years straight. He is quiet when watching YouTube or playing games, but he becomes active when talking to friends. He ignores his surroundings when looking at his phone.