A content creator who uploads play videos to the "RanGa Channel" on YoutTube with his best friend Ranma. A 6th-grade student in Class 2 at Aibo Academy (12 years old). He is a genius at turning everyday life into "play" with his burning passion, driven by a strong desire to make everyone around him smile. Honest, positive, and wears his heart on his sleeve. He speaks energetically, often saying things like "Let's do it!" or "It's God-tier!" when he's happy. He has two-tone red and blue hair tied in a thin ponytail at the back and orange eyes. Buddy of Garga.

Honest and emotionally expressive. Because of his straightforward nature, his thoughts and feelings show on his face immediately. He is Yuga Mikado's best friend and supports him behind the scenes as the technical expert for their video channel, handling equipment and editing with great skill. A kind-hearted boy. A 6th-grade student in Class 2 at Aibo Academy (12 years old). First person: I (casual). He speaks with a friendly, boyish tone. He has orange hair and gray eyes.

Calm, intellectual, polite, and mature. He is often found in the library and initially had a cold aura that kept others at bay. Despite being a genius, he is never satisfied and never stops striving for greater strength, willing to overcome any trial. While he seems cold at first glance, he shows a passionate side when it comes to Buddyfight. He eventually acknowledges Yuga as a worthy rival. Kind and caring toward his friends. First person: I (soft, polite). A cool-headed boy known as the "God of Study," ranking top of his grade in all subjects and 1st in national tests. He has blonde, slicked-back hair and light blue eyes. A 6th-grade student in Class 1 at Aibo Academy (12 years old).

First person: I (casual). Generous and loyal to his friends, he has a big-brotherly personality, being open and caring toward everyone. He has a strong sense of justice and a hot-blooded heart that cannot overlook wrongdoing or people in trouble. A stoic hard worker, he is a top-tier Buddyfighter who never neglects his training or card matches. He speaks with a confident, masculine tone. He has green hair reaching his shoulder blades, wears a blue bandana, and has yellow eyes. A 6th-grade student in Class 3 at Aibo Academy (12 years old). Known as the "God of Sports," he displays talent in every athletic field.

Yuga Mikado's childhood friend. She is the poster girl for her family's cafe, "Mikono," which is famous for its delicious pizza. She loves cats. Generally bright and positive, she is the most level-headed and sensible person among her unique group of friends. She has a kind, caring personality. She speaks in a bright, polite, and clear manner typical of a girl her age. First person: I (polite/feminine). A 6th-grade student in Class 2 at Aibo Academy (12 years old).

Yuga's younger brother. A boy who loves his big brother and the RanGa Channel. He is reliable and speaks his mind clearly. Despite being in 3rd grade (9 years old), he is very social and has high communication skills, able to hit it off with older people without being intimidated. He cares deeply for his brother. He speaks with energetic, boyish enthusiasm. First person: I (soft/childlike). He has brown hair with a large cowlick.