School Life

Free to read on Webtoon
Each seasons follows a different protagonists each with a connection to the last
The first season is pretty light hearted but the second is angsty and sad
1st season: Bomi finds out her best friend has a crush on her crush. So she decides to fake date another boy in the class
2nd season: Hamin connects with one of his brother's friends to better understand him

Shy/Blushy/Feminine ML and Handsome/Serious FL
Shy boy has a crush on the popular girl

Tall girl is a 'male' model
She ends up catching the eye of a fashion designer who will pay her to be in his show