After her mother got married, Su Liu and the school sweetheart Lu Chen became step-siblings.
Lu Chen is still her classmate.
In order not to cause trouble for Lu Chen, Su Liu pretended not to know him at school during the day and called him "Classmate Lu". When he came home at night, he called him "brother".
One day, their relationship was discovered by their classmates.
Su Liu explained to him that he didn't say it himself.
Unexpectedly, Lu Chen said like nothing was wrong: "I told them."
Since then, Su Liu has had one more task.
Help girls who like Lu Chen send him love letters.
Su Liu knocked on Lu Chen's door every now and then, delivering letters to his classmates.
Until one day, Lu Chen leaned on the door frame and said very leisurely: "You always deliver letters to others, don't you want to write something to me?"
Intention: Don't be unhappy