Mashiba joins Ishida's film project after finding out they're making a movie, eager to land the lead role. He's got the looks and acting chops to back up that ambition.
What shapes him most is his childhood—he was isolated and treated badly by other kids, which left him with zero tolerance for bullying. He's usually pretty composed, but witnessing any act of bullying sets him off. He can't help but react violently when he sees it happening, no matter the circumstances.
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