Character Relationship Map: Modern Boy

Characters

• Lee Hae-myung (played by Park Hae-il) — protagonist

  Lee Hae-myung is a top-level secretary under the Japanese occupation who becomes instantly captivated by Cho Nan-sil after seeing her at a secret club. He pursues a dreamlike romance with her, then de...

• Cho Nan-sil (played by Kim Hye-soo) — supporting

  Cho Nan-sil is a dancer whom Lee Hae-myung first sees at a secret club and quickly comes to love. After packing a lunchbox that explodes at the Government-General building, she vanishes, ransacks Hae-...

• Hidaka Shinsuke (played by Kim Nam-gil) — supporting

  Hidaka Shinsuke is Lee Hae-myung's best friend and accompanies him to the secret club where Hae-myung first sees Cho Nan-sil. His role in the available plot is limited, but his presence establishes th...

• Hae-myung's Father (played by Shin Gu) — supporting
• Yoko Ishida (played by Lim Seo-yeon) — supporting

  Yoko Ishida is identified in the story as a separate singer identity connected to Nan-sil's performances. Hae-myung hears Nan-sil singing behind a curtain as she resists performing in Japanese and exp...

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Hae-myung's Father → Lee Hae-myung (father)
• Lee Hae-myung → Cho Nan-sil (Romantic Lovers) — Their romance is strained by Nan-sil's secrecy and her commitment to staying in Korea; she tells Hae-myung that she has chosen their country over their love.

  Hae-myung is captivated by Nan-sil, and they develop a romantic relationship. When they meet again, he asks her to escape with him, but she chooses to...

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Cho Nan-sil → Yoko Ishida (Unknown Alternate Identity) — Nan-sil uses the name Yoko Ishida as a distinct identity connected to her singing performances.

  Nan-sil explains that the singer Yoko Ishida is a separate identity.

• Lee Hae-myung → Hidaka Shinsuke (Social Old Friends) — Their friendship reconnects Hae-myung with Hidaka after his return, and Hidaka accompanies him to the club where Hae-myung first sees Nan-sil.

  Hidaka is described as Hae-myung's old friend from university. When Hidaka returns to Kyung-sung, they resume socializing.

Story Analysis

A colonial clerk's romance with a secretive singer draws him into the conflict between personal love and Nan-sil's determination to remain in Korea.

Plot Progression

1. A Fashionable Colonial Life — Hae-myung lives comfortably as a senior clerk under Japanese colonial rule. Hidaka returns to Kyung-sung, and their socializing leads Hae-myung to Nan-sil at a secret club.
2. Danger Beneath the Romance — An explosion and a suspected bomb in a lunch box bring danger close to Hae-myung. His angry confrontation with Nan-sil exposes how little he understands about her circumstances.
3. The Hidden Singer — Hae-myung hears Nan-sil sing and learns about her resistance to performing in Japanese. Her explanation of the Yoko Ishida identity reveals another layer of her concealed life.
4. Caught in the Struggle — Hae-myung searches for Nan-sil and learns from Baek Sang-heo that she may be in danger. He is seized on suspicion of spying, forcing him to confront the political realities around her.
5. Love Against Staying — Hae-myung asks Nan-sil to escape with him to Manchuria, but she insists on remaining in Korea and continuing to sing. She sends him away, and the story closes at a victory ceremony without resolving h...