TheGuyNextDoor: Story, Cast and Series Facts

Story and premise

A novelist yearning for silence and a musician haunted by loneliness clash through the wall that separates them. What begins as a deal to quiet the noise turns into nights of passion, healing, and inspiration—where only each other's presence can protect them from the darkness.

Series details

• Title: TheGuyNextDoor
• Format: Scripted
• Language: Korean
• Genres: Romance
• Premiere date: 2025-09-06
• Final broadcast date listed: 2025-10-15
• Status in TVmaze: Ended
• Web channel listed by TVmaze: YouTube
• Typical episode runtime: 6 minutes
• TVMaze ID: 87214

Cast and credited roles

• Jeon Yu Bin — O Si An
• Jo Tae Seop — Junwoo

Seasons in the TVmaze catalogue

• Season 1: premiered 2025-09-06; final listed air date 2025-10-15.

Source and licence

Adapted from TheGuyNextDoor on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.