Perfect and Casual is a Chinese romantic comedy drama released in 2020. The series aired from September 28 to October 20, 2020, with a total of 24 episodes, each running for around 45 minutes. It was broadcast on Monday, Tuesday, Saturday, and Sunday and carries a 13+ rating, making it suitable for teen and older audiences. The drama blends romance, comedy, and light emotional drama, focusing on relationships, misunderstandings, and gradual love.
Table of Contents
π Synopsis
The story centers on Zhang Si Nian, a cold, detail-obsessed university professor known for his strict personality and flawless image. His quiet, orderly life takes an unexpected turn when he crosses paths with Yun Shu, a calm, warm, and optimistic young woman.
Their first meeting is nothing short of a disaster. Yun Shu unknowingly scolds Si Nian without realizing who he is. The shock comes later when she discovers that the man she offended is actually her university lecturer. What starts as embarrassment slowly turns into repeated encounters, misunderstandings, and awkward situations.
Due to a chain of coincidences and personal circumstances, the two agree to enter a contract marriage. The arrangement is meant to be practical and emotionless. However, living together begins to blur the boundaries between agreement and genuine feelings.
As their relationship develops, both struggle to balance growing affection with the need to keep their marriage a secret. Emotional walls slowly break down, and small everyday moments turn into meaningful connections. The drama focuses on how love grows quietly, without grand gestures, through patience and understanding.

π Main Cast
- Miles Wei as Zhang Si Nian
- Xu Ruo Han as Yun Shu
π§βπ€βπ§ Supporting Cast Highlights
The supporting characters add warmth and humor to the story, including Yun Shuβs family, close friends, university colleagues, and Si Nianβs grandfather. Their presence helps shape the leadsβ emotional growth and adds depth to the narrative.
π Final Thoughts
Perfect and Casual is a gentle, comforting romance that relies on character chemistry rather than dramatic twists. The contract marriage trope feels familiar, but the calm storytelling and natural progression of emotions keep it engaging. With its soft humor, relatable situations, and steady romantic build-up, the drama is ideal for viewers who enjoy slow-burn love stories, campus settings, and feel-good Chinese rom-coms.