Simon's day could not possibly get worse. Then the elevator stops. Trapped with an annoyingly calm stranger who looks personally offended by his existence, Simon spends three hours panic-talking his way through a blackout while Rick watches with increasing amusement. The problem is, after they finally escape, Minho keeps showing up everywhere. Café. Bus stop. Convenience store. University hallway. At this point, Simon has two theories: 1. the universe is playing a prank on him 2. he might actually be falling in love.

Ash moves into a run-down apartment with thin walls and a bad feeling he can't shake. Night after night, strange noises bleed through from the unit next door-metal clinks, whispered words, something heavy being dragged across the floor. His neighbor Erik is quiet, polite... and far too calm for someone who never seems to sleep. Convinced he's living next to a killer, Ash starts listening closer-only to uncover a secret far more unsettling than he expected. Because in a building like this, some things don't stay buried... and some walls remember everything.

Hyunjin was Eunwoo's client. Eunwoo was Hyunjin's escape. They were never supposed to mean anything. But Hyunjin became his habit. And Eunwoo became his downfall.

Book description: Jisung moves into a run-down apartment with thin walls and a bad feeling he can't shake. Night after night, strange noises bleed through from the unit next door-metal clinks, whispered words, something heavy being dragged across the floor. His neighbor Minho is quiet, polite... and far too calm for someone who never seems to sleep. Convinced he's living next to a killer, Jisung starts listening closer-only to uncover a secret far more unsettling than he expected. Because in a building like this, some things don't stay buried... and some walls remember everything. Series: Behind thin walls, on crowded buses, in quiet conversations-danger moves unseen. A neighbor who listens too closely. A student running from a past he can't escape. An assassin who knows too much. Their stories seem separate. Their lives, unconnected. But secrets have a way of finding each other. And when they do, survival is the only thing that matters.

Book description: A student council retreat was supposed to be quiet-just a few days away from school, buried in snow high above the world. But on the first night, something-or someone-turns the silence into a crime scene. When a body is discovered and the only road down the hill is swallowed by a blizzard, leaving becomes impossible... and trust becomes dangerous. As fear seeps into every glance and whispered conversation, Seungmin begins to notice the cracks-alibis that don't quite fit, smiles that linger too long, secrets no one wants uncovered. Because the killer isn't outside in the storm. They're already inside. Series: Behind thin walls, on crowded buses, in quiet conversations-danger moves unseen. A neighbor who listens too closely. A student running from a past he can't escape. An assassin who knows too much. Their stories seem separate. Their lives, unconnected. But secrets have a way of finding each other. And when they do, survival is the only thing that matters.