He is a struggling, low-ranking high school student who endures relentless bullying while desperately trying to pay for his hospitalized mother's medical bills. Living in a modest ancestral home as a strict miser, his life changes overnight when a street fight is accidentally livestreamed and goes viral. He launches his own online channel to stand up to tormentors, embarking on a turbulent physical and mental transformation through street fighting and social media fame

She serves as the sharp, tech-savvy video editor for Kota Shimura's streaming channel. Initially interacting only online—where everyone assumed she was an old man—she surprises the team when she reveals herself as a cute, short-haired high school girl

Recognizing a lucrative opportunity, Kanegon pivots to become the money-obsessed, camera-wielding cameraman and producer for their new street-fighting channel. He is characterized by his chaotic energy, deep fixation on internet fame, and a relentless drive for profit, which serves as a major catalyst for the channel's rapid rise to stardom

fierce, hot-headed, and intensely proud martial artist. He initially comes across as arrogant, emotionally detached, and easily provoked into violence, possessing an intimidating, dominant aura. He is deeply obsessed with Taekwondo and fiercely protective of his skills

Outwardly, she is a bubbly, extroverted, and confident beauty streamer. To engage her fans, she acts like a flashy, spoiled "trendsetter". In reality, Rumi is deeply perceptive, kind-hearted, and financially struggling. Behind her opportunistic online persona lies a fiercely independent person who fiercely looks out for her friends, teaming up with Kota to help them both earn money

Kaho is highly cooperative and naturally driven to maintain social harmony, always prioritizing the well-being of those around her. Principled, responsible, and ethical, she approaches her relationships with a nurturing instinct, acting as a supportive presence for her friends. She prefers uplifting others over self-centered conflicts, embodying genuine compassion and integrity

• Health Status: She is introduced as a terminally ill cancer patient who is confined to a hospital. Her rising medical expenses and eventual 20-million-won surgery are Hobin’s primary motivations for starting his fighting NewTube channel. • Personality: She is an extremely kind, loving, and selfless mother. Despite being in a weakened state, she constantly worries about Hobin’s well-being and future

As a powerful and calculating underground fight promoter, Kuwata is heavily involved in the chaotic narrative that blends street fighting with online fame. He is notable for organizing matches and serves as a major antagonist to the protagonist, Kota Shimura, leading to intense and climactic physical confrontations in the series

As part of the fighting and streaming hierarchy, Hamaken represents the eccentric, attention-seeking side of viral internet culture. His presence highlights how creators go to extremes for views, clicks, and clout. Mixing comedy with intense high school street brawls, Hamaken remains a highly memorable, trending figure among fans tracking the live-action and anime adaptations

A rising star in the mixed martial arts (MMA) scene, he balances an intimidating, elite-tier fighting aura with a protective, soft-hearted side as Kaho Asamiya’s childhood friend. With his striking looks, chiseled physique, and effortlessly cool demeanor, Tatsuya frequently sparks viral fan edits and "glow-up" montages across social media platforms like TikTok