The four Yuzuki brothers—Hayato, Mikoto, Minato, and young Gakuto—lost their parents two years ago and now work to raise themselves. Together they live, learn, fight, and forgive as brothers should.

• Ryota Iwasaki
• Kikunosuke Toya
• Miyuki Sakurai
• Momoka Terasawa
• Misato Matsuoka
• Akari Tadano
• Mao Ichimichi
• Fumihiko Tachiki