Rainbow Nisha Rokubou No Shichinin Chapter 1 -

If Mario is the quiet heart, Sakuragi is the thunder. A tall, muscular figure who has been sleeping silently in the corner, Sakuragi finally speaks. He challenges Ishihara not with volume, but with sheer presence. The panel where Sakuragi stands up—towering over the tyrant—is iconic. He declares that Cell No. 6 will not be ruled by rats.

The immediate antagonist is Ishihara, a sadistic older inmate who acts as the warden’s muscle. He runs the cell with a mixture of terror and brute force. The scene where he forces the new arrivals to kneel and kiss his feet is nauseatingly effective. It establishes the law of the jungle immediately: eat or be eaten. rainbow nisha rokubou no shichinin chapter 1

We open in 1955, post-war Japan. This isn’t the Tokyo of bright lights and recovery. This is the underbelly. Our setting: The Special Reformatory School, a juvenile detention center that feels less like a school and more like a military prison run by sadists. If Mario is the quiet heart, Sakuragi is the thunder

We are introduced to our seven protagonists—teenage boys who have been “corrected” (read: tortured) into submission. There’s no shonen hero here. Just broken kids. But Chapter 1 doesn’t waste time on backstories yet. Instead, it focuses on one thing: The panel where Sakuragi stands up—towering over the

Rainbow is not light reading. The first chapter is heavy on despair, bullying, and the stench of hopelessness. If you dislike graphic depictions of abuse or strong language, this is your warning.

The climax of the chapter isn’t a fistfight; it’s a moment of psychological chess. Ishihara demands that the new boys strip naked for a "medical exam" (a thinly veiled power ritual). As the others tremble, Mario is the last to comply. He doesn’t cry. He doesn’t beg. He just stares Ishihara down.