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S Line

S Line

2025 TV-MA ★ 7.6 1 Seasons Sci-Fi & Fantasy Drama Mystery

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Overview

A young woman with the ability to see mysterious red connections between lovers discovers her secret gift is no longer unique when special glasses granting similar powers appear on the black market.

Episodes

Seasons 1

Seasons 1

The Girl With The Sunglasses

S01E01 2025-07-11

The Girl With The Sunglasses

Hyun-heup, a girl who was born with the ability to see the S-line that indicates sexual relations....

The Animal Kingdom

S01E02 2025-07-11

The Animal Kingdom

Hyun-heup goes to Bangju High School after receiving a mysterious text message. There, he reunites...

A Fall Into Darkness

S01E03 2025-07-18

A Fall Into Darkness

Seon-ah falls from the rooftop and falls into a coma. Ji-wook cries out in self-reproach and anger,...

Miseong Motel

S01E04 2025-07-18

Miseong Motel

Ji-wook, who was continuing the investigation to find the culprit of the Seon-ah incident, hears ab...

The Glasses

S01E05 2025-07-25

The Glasses

Ji -wook, who finally discovered glasses in the bloody bathtub of aesthetic, admits that the words...

Chaos on the Horizon

S01E06 2025-07-25

Chaos on the Horizon

Ji -wook finds out the truth about Sun -ah's S -line through glasses. Meanwhile, Hyun -suk, ahead o...

Cast

Lee Soo-hyuk

Lee Soo-hyuk

Han Ji-wook

ARIN

Shin Hyeon-heup

Lee Da-hee

Lee Gyu-jin

Lee Eun-saem

Lee Eun-saem

Kang Seon-ah

Kim Dong-young

Kim Dong-young

Oh Dong-sik

Lee Gwang-hee

Lee Gwang-hee

Joon-seon

Lee Han-joo

Lee Han-joo

Yoon Ji-na

Woo Ji-hyun

Woo Ji-hyun

Jung-woo

Nam Kyu-hee

Nam Kyu-hee

Kim Hye-yeong

Oh Woo-ri

Lee Kyung-jin

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Reviews

boobeep ★ 9.0

a girl was born with the ability to see red lines and we follow her and several characters that are directly or somewhat involved with the red lines. it was honestly rlly intriguing. i was in slump of what to watch and this hooked me from start to finish. each episode just kept...