Meet the Characters
The orphanage girl, the boss who forgot her, and the old man who keeps her honest.
Chloe
The orphanage girl who became Julian's assistant — and the woman he no longer recognizes.
Proud, sharp, and barely surviving, Chloe works her way up from the orphanage to Cosmos Tech, with her grandmother the only family she has left. She is poor but refuses to be kept.
She covers the cheap apartment with a straight face, and when Grandpa suspects a sugar daddy she deflects with "uh Grandpa, that's impossible. I'm not even that pretty." Alone, she is torn — "But this is a living human being we're talking about," she whispers about the child she carries, unsure Julian will ever accept it. She signs his cohabitation agreement, walks into his office every morning, and waits for the day he remembers the orphanage promise.
Julian
The uncrowned king of the city — Chloe's boss, her childhood promise-holder, and the man courting the wrong woman.
Rich, controlled, and lonely at the top, Julian runs Cosmos Tech while the family's old matriarch lines up candidates to bear his heir. He is used to being obeyed.
He slides the terms across the desk without a flicker: "Have you read the cohabitation agreement?" When candidates parade through the hall, the warning is blunt — "He's Julian, the uncrowned king of the city. He isn't someone you can mess with." He offers to move her whole family to New York and cover every bill, yet he cannot see that the assistant in front of him is the girl from the orphanage. When Chloe drinks too much, he is the one who steps in: "Chloe's drunk. I need to take her home."
Grandpa
Chloe's grandfather — the old man who values dignity over money and smells a secret in every room.
White-haired, sharp-eyed, and stubbornly honest, Grandpa visits the city for a medical checkup and immediately starts questioning why his granddaughter's apartment is suspiciously cheap.
His moral line is simple: "We're poor, but we've got rectitude." He begs her not to trade herself away — "I'm already halfway in the grave. Don't compromise your dignity just for me." He suspects a sugar daddy, pokes at a man's shirt left in the apartment, and catches the beard trimmer she blames on a previous tenant. He is the conscience that keeps Chloe honest while she hides the cohabitation, the pregnancy, and the whole orphanage story from him.
When the Boy Who Promised Forgets Her
She signed a cohabitation agreement with the man she loves — while he plans to marry someone else.
Chloe and a boy made a lifelong promise in an orphanage, then lost each other. When she resurfaces as an assistant at Cosmos Tech, the corner-office boss is Julian himself — "the uncrowned king of the city." But the woman at his side is a Carter-family heiress, and the hall is full of candidates the old matriarch has lined up for him. "He isn't someone you can mess with," Chloe is warned, even as her grandmother's surgery deadline arrives and the bills cannot wait.
A deal is struck and a cheap room opens up at Maple Creek. Chloe covers every trace with a straight face — the low rent, the oversized shirt, the leftover beard trimmer. Julian slides a cohabitation agreement across his desk: "Have you read the cohabitation agreement?" She signs, because it is the only roof that lets her stay near him, and because she still believes he is the boy who promised her a future.
Grandpa arrives for a checkup and starts poking holes in her cover. He preaches "we're poor, but we've got rectitude" and begs her not to trade away her dignity. Meanwhile the gossip turns: Julian's first love is back from abroad, and an engagement is being whispered. Chloe is pregnant, alone, and invisible to the man she lives with — the assistant under his roof, not the girl he is about to marry off his heart to.
Key Moments from His Assistant Under My Roof
12 frames from the opening episodes — as aired and unretouched. Swipe on mobile or use the arrows to browse.
Exciting Plot Highlights
Four moments that define the opening arc — no ending spoilers.
Episode 1 — The Hall of Candidates
The old matriarch lines up women for Julian to pick an heir. Chloe watches from the edge, pregnant and broke, as someone offers a body in exchange for a fortune. "He's Julian, the uncrowned king of the city," she is told.
Episode 3 — The Cohabitation Agreement
Julian slides a contract across the office desk. "Have you read the cohabitation agreement?" Chloe signs anyway — the only way to keep a roof between her grandmother's surgery and the street.
Episode 4 — The Surgery and the Old Man
Grandma comes through the operation. Grandpa weighs in: "I'm already halfway in the grave. Don't compromise your dignity just for me." Chloe decides to move everyone home, and Julian quietly offers to fund it all.
Episode 8 — The Cover-Up
Grandparents descend on the apartment. Chloe fibs about the cheap rent, the oversized shirt, the leftover trimmer. "We're poor, but we've got rectitude," Grandpa warns — while the engagement rumor about Julian and the Carter heiress lands on her like a blow.
What Viewers Are Actually Saying
The comment sections that keep coming back to the cohabitation agreement.
What viewers keep saying: they came for the billionaire-assistant setup and stayed for the girl who refuses to be kept. Chloe's straight-faced cover stories about the cheap rent and the leftover beard trimmer get quoted like comedy gold, while the engagement rumor about the Carter heiress has people yelling at the screen. The orphanage-promise hook is the engine — everyone is waiting for Julian to realize the assistant in front of him is the girl from his childhood.
Why Worth Your Time
Three reasons this one is worth your time.
A heroine with pride: Chloe is not a girl who gets swept away by money. She covers her grandmother's surgery, signs a cohabitation agreement to stay near the man she loves, and deflects every sugar-daddy suspicion with nerve. Every fib she tells Grandpa is a small act of survival.
A slow-burn mistaken-identity engine: the whole drama runs on one cruel twist — Julian dotes on the wrong woman while the girl who promised him a future sleeps under his roof. Watching him fail to recognize her, episode after episode, is the show's central tension.
A warmth under the cold setting: Grandpa's moral voice — "we're poor, but we've got rectitude" — grounds the billionaire gloss in family. The modern office-lit tones cool as Chloe's loneliness deepens, then warm again in the rooftop and hospital scenes, tracking exactly where her hope still lives.
User Reviews
Real viewer voices — from the opening-episode crowd to the binge-watchers.
Q&A
How many episodes does His Assistant Under My Roof have?
The official player confirms 64 episodes in total.
Is this a full series or a teaser?
It's the complete short drama — the story continues far beyond the opening arc.
Who is Chloe?
The orphanage girl who becomes Julian's assistant. She shares a roof with him under a cohabitation agreement, is pregnant, and is the girl from his childhood promise — though he does not recognize her.
Does Julian ever find out who Chloe really is?
That is the core question of the series. In the opening episodes he still believes the Carter-family heiress is the girl from his past, and the longer game is when the truth reaches him.
What happens in the early episodes?
Chloe is pregnant with her grandmother's surgery deadline looming, Julian picks a cohabitation agreement she signs, and the old matriarch lines up candidates to bear his heir. By episode 8 the engagement rumor about the Carter heiress lands on her.
Is this an enemies-to-lovers or a forbidden-romance setup?
It leans on a mistaken-identity and forbidden-roof setup: she is his assistant living under his roof while he courts another woman, tied by a childhood promise he has forgotten.
Is it dubbed or subtitled?
The official player streams the original English audio with the show's own subtitles.
Where can I find more dramas like this?
Browse the dramas.icu library for more romance and billionaire short dramas.
The cohabitation agreement scene is stuck in my head. He slides it over and she just signs — brutal.
Chloe's cover stories about the beard trimmer and the cheap apartment had me laughing out loud. Grandpa is the real MVP.
Julian telling the hall "he isn't someone you can mess with" while not seeing the girl beside him — the slow burn hurts so good.
Pregnant assistant under the same roof as a boss who's engaged to someone else. The tension in episode 8 is unreal.
"We're poor, but we've got rectitude." Grandpa said it and I felt that. Need the next episodes yesterday.