Liu Ruoning, a 28-year-old teacher at a tutoring agency, is reserved and hesitant, but kind and tenacious.
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Sheng Xinghe, an 18-year-old high school sophomore who comes from a billiard hall family. He has an abusive gambling father, a cheating mother, and a mixed-race brother. He is used to struggling at the bottom of society. On the outside, he appears to be a cool academic master, but in reality he is gloomy, precocious, controlling and possessive.
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The story of the dove and the crow, two-way secret love, sister-brother love, contrasting personalities, sadomasochism
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Liu Ruoning always felt that her momentum would be subtly suppressed when facing the high school student in front of her, so she wanted to strengthen her self-esteem and always emphasized her senior status in front of him.
But... The eighteen-year-old Sheng Xinghe had never regarded her as a senior. In his eyes, she was not a sister, not a girl, but... A woman.
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The appearance is cold, but actually there is a sinister underbelly. The dark Nian (lower year) VS the kinder and gentler little sun Nian (upper) who realizes in hindsight.
Intention: true love