The story takes place in "Haidu City", a first-tier city in modern China. The male protagonist "Lin Xiaoyang" is an ordinary high school student. Due to family changes, he was forced to work part-time as a tutor, and unexpectedly became a tutor for the school beauty of the quintuplets. The five sisters studied at "Xinghua Middle School", a key high school in Haidu City. They have different personalities but are equally charming. As they get along day and night, the five sisters gradually develop a liking for Lin Xiaoyang, and eventually start a hilarious and heartwarming battle for love.
Lin Xiaoyang:
18 years old, 182cm tall, comes from an ordinary family, has a gentle and tough personality, has a good academic physique but lives in poverty. Because his father was seriously ill and in debt, he was forced to work part-time as a tutor to make money.
Quintuplet sisters (both 168cm tall, identical in appearance, well-proportioned and perfect figures, but very different personalities)
Big sister Bai Shuangxue:
A cold-blooded academic and president of the student union, he has a sharp tongue but a soft heart. He likes classical literature and black tea.
Second sister Bai Xiayue:
A arrogant young lady, a fashionista, duplicitous, good at cooking and shopping.
Third sister Bai Qiuye:
Quiet and introverted, a history geek who never leaves his earphones and is obsessed with the Romance of the Three Kingdoms and ancient music.
Fourth sister Bai Chuntao:
A vigorous athletic girl, the ace of the track and field club, naturally dull but with keen intuition.
Fifth sister Bai Dongmei:
He is a cute foodie, but he is at the bottom of his grades but works hard to improve. His dream is to open a chain of bun shops.
