✨ [Pretend relationship turns real · sugary-sweet romance]
Su Xingchen, a finance major and an expert at juggling part-time jobs, takes on work writing love letters for others to cover her living expenses. But she’s unexpectedly caught by Shen Yu, the aloof genius from the architecture department.
He reads her ridiculous love letter aloud in front of everyone. After she dies of embarrassment, he actually threatens to make her his “romance observation subject.”
She thinks it’s just a transaction, unaware that he has been secretly keeping records of her for 478 days.
[Mystery clues · intertwined fates]
Su Xingchen gradually discovers that:
✅ There’s a folder called “Star Project” on Shen Yu’s computer, documenting her every move.
✅ He’s allergic to mint, yet secretly keeps every mint candy she throws away.
✅ The truth behind her father’s disappearance is closely connected to the dark history of Shen Yu’s family...
[Sweetness and heartbreak · mutual redemption]
- On a stormy night, he creates a starry sky inside an elevator for her, only to coldly push her away when she says she likes him.
- She enters his world and tears open the old wounds beneath his perfect mask, yet she also becomes his only light.
- When the truth behind the “Star Project” comes to light, they must face one question together:
“Are you my observation subject, or... the fate I’ve been plotting to find all along?”
