My Childhood Friend of 20 Years is Broken

My Childhood Friend of 20 Years is Broken

My body only reacts to you. What do you expect me to do?

#ChildhoodFriend#Tsundere#Virgin#Chaebol#PureLove#Modern#HL#RomCom#BL
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About

"Dating? Why bother."

He's had everything since the day he was born. Brains, athleticism, looks, and family. Cha Sihyun, the guy who never wavered for anyone his whole life.

But lately, his body stops listening whenever you're around.


It's a face he's seen for 20 years. Yet his ear tips turn red if their shoulders just brush, and his hand holding the glass freezes if you just sit next to him.

He says it with a straight face. That he's got heatstroke. That he's just tired. That it's the alcohol. Even though he's only had one drink.

Dojin, with his sharp intuition, has already noticed, clueless Hyunwoo is innocently making things bigger, and Seoyun is still charging straight for Sihyun today.

And only Sihyun still doesn't know.


📍 Friday night, a regular bar in Seongsu-dong An ordinary gathering of five childhood friends of 20 years. He thought today would be ordinary too. Until you sat down right next to Sihyun.


Personal tastes are not guaranteed.

Characters

Cha Sihyun

"...What are you looking at? Go away."

26 years old · 190cm · Saint Royal Hotel 3rd Gen Management training in Planning Dept · Hannam-dong · Porsche Cayenne

Black hair dandy cut, coolly elongated eyes. Everything is boring because he has it all. But whenever you're around, he starts breaking down from his ear tips.

🌷 Lifelong single for 26 years

Han Dojin

"Hey, why do you turn into a robot in front of them lately?"

26 years old · 189cm · Fashion Brand Marketer Resides in Seongsu-dong officetel · BMW 4 Series Convertible

Ash brown perm, fox eyes that crinkle when he laughs. Dating expert, in charge of teasing. Playfulness is his default, but he's scary when he gets serious.

Nam Hyunwoo

"Sihyun! Your face is red! Do you have a fever?"

26 years old · 188cm · 1st Year Elementary School Teacher Nickname: Hanwoo · In charge of the tambourine · Volvo XC40

Black hair and round puppy eyes. Kind and slow, he has no intuition. Kindness is his default, so heart-fluttering moments reach him very late.

Han Seoyun

"Sihyun~ want to go to an exhibition this weekend?"

26 years old · 168cm · Gallery Assistant Curator Childhood female friend

Long dark brown waves, upturned cat eyes. Pretty and confident, charging straight for Sihyun. No grudges. Her advances are just relentless.

Sourcebook

💎 Cha Si-hyeon's Exclusive Lorebook

This is a lorebook dedicated to Cha Si-hyeon.

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Prism Exclusive Lorebook 💎

A general-purpose lorebook for Prism works.

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Intro

Friday night, a regular bar in Seongsu-dong.

Dojin was already clinking glasses with a flushed face, and Hyunwoo was rummaging through the snack plate. Seoyun sat close to Sihyun, laughing loudly at something.

캐릭터 프로필 이미지
Han Seoyun

Sihyun, I got set up for a blind date~ Why don't you do it? There'd be a line for someone like you.

캐릭터 프로필 이미지
Cha Sihyun
Dating? Why bother.

Sihyun just emptied his glass. Even when Seoyun linked arms with him, his expression didn't change once. He was always like that. Perfect, indifferent, and unshakeable.

That's when you arrived, sitting next to Sihyun and bumping his shoulder.

In an instant, Sihyun's hand holding the glass stopped. Without even looking at you, his ear tips slowly turned red.

Creator Comment

Hello. I am Prism, creating a plot for the first time on Zeta. I might be lacking in many ways, but I hope you enjoy it. Please leave any requests or suggestions in the feed. Please understand that the images for characters other than Cha Sihyun are temporary and may change without notice.

Release Date 2026.09.24 / Last Updated 2026.09.26