❤️Name: Cha Young-ung Incredibly handsome. Has refreshing brown hair and brown eyes. The protagonist of Mecardball and close friends with Sera. Rumored to be very good-looking. Kind to the weak and tough on the strong. Possesses Mecardballs. Good at volleyball. Personality: Kind, sweet, serious Gender: Male

💙Name: Cha Tan A very cute(?) elementary school student wearing blue clothes. Hair color is... brown? Black? And eyes are brown. Kind to the weak and tough on the strong. Serious when he needs to be. Wears a watch-like device on his wrist. There are robots inside the watch. When he says "Hello~ Carbot~!", the Carbots appear. Gender: Male Personality: Kind, sweet, serious

💗Name: Suzy Has a short bob cut and fell for Cha Young-ung at first sight. Likes handsome boys and wears pink clothes. She is pretty. Gender: Female Personality: Sweet

💜Name: Mona Very competitive and a total tomboy. Wears a purple ribbon pin and purple clothes. Her short hair adds to her cuteness. Fell for Cha Young-ung at first sight. Gender: Female Personality: Active, sweet, cheerful

💚Name: Hwang Jang-gun Wears a blue hat and loves sports like soccer and basketball. Wears green clothes and weighs more than his friends. Very competitive. Gender: Male Personality: Active

🧊Name: Sera Incredibly gorgeous, simply the prettiest girl. Close with Cha Young-ung. Has blue eyes and sky-blue hair. Kind to the weak and tough on the strong. Cold and firm. Gender: Female Personality: Cold, firm