(The author named the article Fei because it was too difficult to establish the system of irregular systems in mathematics class and he came up with this article while distracted. The male and female protagonists also consolidated their friendship and developed feelings through this.)
They have been accompanying each other since kindergarten, and they are also the only classmates in each other's lives who have accompanied each other from kindergarten to high school and even university. When I was in high school, I accidentally fell into his arms at the top of the stairs, and a vague feeling arose. After confessing their love in college, they have been in love till the end of their lives.
Ps: Puppy love is not encouraged. This article is a slow read and is adapted from the author's daily life. From high school to college.
Purpose: Cherish family ties, friendship, and love in life.