I'm not sure specifically as there could be many 'besties graphic novels' out there. It might be about the adventures, relationships, or shared experiences of a group of best friends in a graphic novel format.
I'm not sure specifically, but usually in a high school story about besties, there would be a group of students. Maybe there is a really outgoing girl who is always the center of attention in the group.
Maybe there are some school dances. It's a common and interesting event in high school stories where the besties can have a great time, dress up and meet new people.
This might be a tale that delves into the lives of the two best friends, exploring their dreams, secrets, and the special moments they share. It could also touch on how their friendship evolves over time and the impact they have on each other's lives.
This novel might tell the tale of how the two besties support each other through various life situations, revealing their unique personalities and the power of their friendship along the way.
Practice regularly. Observe different cartoon styles and try to imitate them. Also, learn anatomy and proportions to make your drawings more realistic.
It could be a minimalist style cartoon, focusing just on the elegance and movement of the black and white flying birds. Or perhaps it's a story-driven cartoon where the birds play a key role in a plot.