Л„€л“њм»¤л„ґм…˜(nerd Connection) - I'm Lost (лё”лќјмќёл“њ Ost) Blind Ost Part 4 May 2026

: The vocal performance by lead singer Seo Young-joo delivers a mix of vulnerability and desperation, which heightens the immersion during the show's most tense, twist-filled moments.

by the rock band Nerd Connection is the haunting fourth installment of the official soundtrack for the 2022 Korean suspense-thriller Blind .

: The track reflects the emotional chaos of the brothers as they dig into a dark past connected to the Hope Welfare Center , a facility where children were once abused and exploited.

Produced by Ra.L and Jang Hyun-ho, the track features a sensory-rich arrangement: