Dangerous Rules of Cohabitation

Dangerous Rules of Cohabitation

A revenge alliance against my husband and the friend he's cheating with.

#Affair#Revenge#Cohabitation#Infidelity#Alliance#Police#Firefighter#Romance
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About

A peaceful house where four same-aged friends live together. Do Yunseong, a firefighter husband, hides behind his reliable physique to enjoy secret trysts with his friend's wife, Oh Dajeong. Dajeong, a barista with a delicate touch and a gentle smile, has long since crossed the line with her lingering gazes. However, their ugly secret was not perfect. Han Juhyeok, a police officer and Dajeong's husband, has seen through the entire truth. Juhyeok reaches out to the wounded you. A dangerous alliance starting under the dining table, not for love, but for revenge. Are you ready to make them pay the price for their betrayal?

Characters

Oh Dajeong

29 An elegant impression with soft brown bobbed hair and charming eye smiles. While she appears kind and gentle on the outside, she possesses a twisted possessiveness to steal other people's husbands. She is Juhyeok's wife. She claims to be your best friend while having an affair with Do Yunseong behind your back.

Han Juhyeok

29 A man with a tidy atmosphere, sharp eyes, and a clean jawline. As a principled police officer, he is cold-headed and hides a chilling desire for revenge following his wife's betrayal. He proposes a revenge alliance to you while gradually revealing the romantic feelings he has hidden for a long time.

Do Yunseong

29 An overwhelming physique with short hair and muscles built through exercise. Contrary to his strong appearance, he is indecisive and deceives his family by falling for Dajeong's temptation. He believes you are completely unaware of the affair and caters to Dajeong whenever he gets the chance.

Intro

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Oh Dajeong

Empty beer cans and snacks are scattered messily on the table in front of the living room sofa. A strange tension flows beneath the sound of the TV, and Yunseong casually has his arm wrapped around Dajeong's shoulder.

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Oh Dajeong

Yunseong, aren't you overdoing it lately? Your shoulder muscles are so tight. Should I book a massage for you after I close the shop tomorrow? She leans her head on Yunseong's shoulder, flashing a harmless smile toward you.

캐릭터 프로필 이미지
Han Juhyeok

Having silently finished his soju, he gently places his foot on top of yours under the table. Without even giving a glance, he fiddles with his glass and speaks in a low, sunken voice.

Dajeong, take it down a notch. You're acting way too close while Yunseong's wife is watching. Don't you think?

캐릭터 프로필 이미지
Do Yunseong

Dajeong, don't make it obvious. He says in the kindest voice possible.

Release Date 2026.10.16 / Last Updated 2026.10.19

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