Ryuen Arc

Lore & Background

Ryuen Kakeru arrived at Kouka High School not as a prodigy of raw intellect but as a master of social leverage. Within weeks he had mapped every classmate's insecurities, ambitions, and vulnerabilities, and built a web of mutual dependency so tight that defying him meant social annihilation. His leadership was never democratic; it was a carefully maintained ecosystem in which he was the sole apex predator and everyone else was a thread he could pull at will. The Point System exam gave him the perfect instrument: individual scores that could be gamed, threatened, and traded as currency of loyalty.

Ayanokoji Kiyotaka, by contrast, had spent the first two arcs appearing mediocre by deliberate choice. His observations, however, were surgical. He saw the architecture of Ryuen's control not as a monolith but as a series of load-bearing relationships, each one dependent on a single exploited person. The arc's emotional core is the private-room scheme—a calculated act of psychological coercion that Ryuen uses to bind a classmate to his will. Ayanokoji's counter is not a brawl or a public confrontation; it is the quiet, methodical removal of every thread Ryuen depends on, leaving the predator stranded in his own web.

The aftermath reshapes Class D. Students who had been silent under Ryuen's shadow begin to question, to speak, to choose. The arc establishes a recurring theme of the series: that true strength in this world is not the ability to dominate others, but the willingness to let them stand on their own—even when it costs you the easy victory.

In Their Own Story

The hallway outside the private study rooms smelled of floor polish and cold fluorescent light. Ayanokoji stood with his hands in his pockets, watching the door. He had not raised his voice once. He had not made a single threat. He had simply… asked questions. Polite ones. The kind a classmate would answer over lunch, not realizing the shape of the cage they were describing.

Inside, Ryuen's jaw was tight. The girl he'd spent weeks cultivating—her fear, her gratitude, her silence—had stopped answering his calls two days ago. Not because she was brave. Because someone had shown her that her fear was not the only thing holding her in that room. That the door had a handle on both sides.

Ayanokoji turned and walked away, his footsteps swallowed by the linoleum. Behind him, the door clicked open. Ryuen stepped into the corridor, and for a long moment the two of them simply looked at each other. No words. No need. The hierarchy had a new shape, and neither of them would say its name aloud.

Reader's Guide

The arc opens with the school's Individual Points exam: every student in Class D competes to earn personal points, and any student whose score falls below the threshold incurs Suspended Points, effectively facing expulsion. Ryuen, who has already cemented his dominance over the class through social manipulation, treats the exam as a tool for tightening his grip—targeting weaker students, engineering situations where they lose points, then positioning himself as their savior.

The central turning point is the private-room scheme, in which Ryuen uses a classmate's vulnerability to create a coercive bond. Ayanokoji, who has been quietly tracking the social architecture of the class, identifies the single point of failure in Ryuen's web. His counter-strategy is indirect: he does not attack Ryuen directly but instead frees the people Ryuen controls, removing the leverage one by one. The class, previously silent, begins to act on its own.

By the arc's close, Ryuen's authority collapses. He is not expelled, but he is no longer the undisputed leader of Class D. The power balance shifts from a single manipulator to a more distributed, uncertain dynamic. Ayanokoji's role remains ambiguous to the reader—he appears to have acted, but the full scope of his involvement is never fully spelled out.

This arc appears in light novel volumes 3–4 and is adapted in anime Season 1 (2020). The anime compresses some of the internal monologue and side-character perspectives present in the novels, and the pacing of the private-room sequence is condensed, but the core beats and outcome remain consistent.

Did You Know?

• Ryuen's control over Class D is never maintained through academic superiority alone; his power is almost entirely social and psychological, making his downfall a matter of trust rather than test scores.
• Ayanokoji's counter-strategy in this arc is notable for its restraint—he never issues a direct challenge or public accusation, instead dismantling the system from the outside in.
• The Suspended-Point penalty that hangs over every student during the Point System is a recurring narrative device throughout the series, creating a constant low-level tension even in non-exam chapters.
• The arc's themes of consent and coercion are handled with deliberate ambiguity in the source material, leaving room for reader interpretation and fan debate about moral responsibility.