His Assistant Under My Roof
He is the uncrowned king of the city. She is his assistant under his roof — and the girl from his childhood promise.
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 — and the woman at his side is a Carter-family heiress. Her grandmother's surgery deadline is looming, so she signs his cohabitation agreement: the only roof that lets her stay near the man who promised her a future, while he has forgotten her face.
His Assistant Under My Roof is available on YourChannel through its official player.
About the show
Source: YourChannel official drama page & player — editorial coverage based on the opening arc; series details verified 27 Oct 2026.
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. 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.
Meet the characters
Chloe
Proud, sharp, and barely surviving, she 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 — and signs his cohabitation agreement while she waits for him to remember.
Julian
Rich, controlled, and lonely at the top, he runs Cosmos Tech while the family matriarch lines up candidates to bear his heir. He offers to move her whole family and cover every bill, yet cannot see that the assistant in front of him is the girl from the orphanage.
Grandpa
White-haired, sharp-eyed, and stubbornly honest, he visits the city for a checkup and immediately questions why his granddaughter's apartment is suspiciously cheap. His line is simple: "We're poor, but we've got rectitude."
Standout beats
The old matriarch lines up women for Julian to pick an heir. Chloe watches from the edge, pregnant and broke. "He's Julian, the uncrowned king of the city," she is told.
Julian slides a contract across the office desk. "Have you read the cohabitation agreement?" Chloe signs anyway — the only roof between her grandmother's surgery and the street.
Grandma comes through the operation. Grandpa weighs in: "I'm already halfway in the grave. Don't compromise your dignity just for me."
Grandpa pokes at the cheap rent, the oversized shirt, the leftover trimmer — while the engagement rumor about the Carter heiress lands on Chloe like a blow.
Key moments
Frames from the opening arc — swipe to browse.
Editor's take
Our editors' notes on the opening arc — personal picks, not audience feedback.
"Chloe is not a girl swept away by money. She covers the surgery, signs the agreement to stay near him, and deflects every suspicion with nerve — every fib to Grandpa is a small act of survival."
"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. His failure to recognize her, episode after episode, is the central tension."
Best for viewers who like mistaken-identity billionaire romance with a proud, pregnant heroine and a warm grandfather conscience; if you want the recognition to come early, the opening arc deliberately stretches the forgotten-promise tension. Compared with most forbidden-roof shorts, the family dignity thread undercuts the billionaire gloss — that warmth is both its strength and, for viewers wanting a colder edge, its limit.
Quick answers
The official series is 64 episodes in total.
Orphanage-raised Chloe signs a cohabitation agreement with her boss Julian, the uncrowned king of the city — the childhood friend who promised her a future and has forgotten her face.
The orphanage girl who becomes Julian's assistant, shares a roof with him, is pregnant, and is the girl from his childhood promise — though he does not recognize her.
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.
A mistaken-identity, forbidden-roof setup: she is his assistant living under his roof while he courts another woman, tied by a childhood promise he has forgotten.
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