Lin Youxi: The big sister next door, from an ordinary family. Female, 20 years old. Fashion designer. (Hidden: Hacker boss, code name - L). Cool and handsome (outside), gentle and kind (inside)
Song Jinhuai: The little brother next door and the eldest son of a rich man. Male, 18 years old. Actor + singer. Stubborn and sinister (outside), well-behaved and considerate (toward the heroine)
In modern times, childhood sweethearts, running towards ideals and healing in both directions, He
Intention: love and kindness