Chapter 17 'Halo': Summary and Analysis

⚠️ Spoiler Warning: This guide contains detailed spoilers for the entire novel. Proceed only if you've finished reading or are comfortable knowing the plot.

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This page is designed to help you understand the chapter's events, character growth, and thematic weight, so spoilers are unavoidable.

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Summary

The chapter opens with Jun in a bathroom, running scalding water over his arm in a desperate attempt to activate the nanomachines under his skin. He recalls a childhood memory: his father introducing Yoyo as a long-lost brother, and Jun's initial mockery of Yoyo's odd speech. Yoyo, like an imprinted newborn, began mimicking Jun's every gesture—how he ran, yawned, and ate. Jun treated it as a game, trying to lose Yoyo, but one day he slipped on ginkgo berries and fell. Yoyo shielded him from a crate of jade soju bottles, sustaining a deep wound in his calf. Jun panicked, but Yoyo calmly retrieved their father's lighter from a coat pocket and sealed the wound with heat, revealing his robotic nature. Jun was mesmerized and later tried to sear his own arm to see if he too could heal, but his father caught him, leaving a lasting impression.

Back in the present, Jun joins Sgt. Son in an interview room where Shin Wonsuk, a refugee from North Korea, is being questioned about Eli's disappearance. Wonsuk denies involvement, claiming he was just being a Good Samaritan. Sgt. Son uses a soft approach, offering coffee and pizza, while noting Wonsuk's history of robot trafficking and botfights. Wonsuk dismisses the trafficking as