I don't know for sure. The ending of such a manga can be quite unpredictable and might not have been revealed yet. You could try discussing it with other fans to get their speculations.
I'm not really sure if they end up together. Different people might have different interpretations. Maybe you can dig deeper into the manga and form your own conclusion.
They could be in a situation where they have to work together on a project for the school. Karuizawa Kei is initially hesitant because she doesn't trust Ayanokoji. However, as they face difficulties during the project, Ayanokoji's calm and intelligent approach starts to win her over. Their relationship then blossoms from there. For example, they might have to deal with a tight deadline and scarce resources, which forces them to rely on each other's strengths. This shared experience can be the foundation for their growing relationship.
In novels, laughter usually refers to a humorous, funny, or ironic way of laughing. It often uses exaggeration, sarcasm, irony, and other techniques to make the protagonist do some funny, abnormal, or absurd behavior to make the reader laugh.
There were many kinds of smiles in novels.
Exaggerated laughter: To achieve humor by exaggerating facts or exaggerating things.
2. Satire laughter: Through the irony of the bad phenomena in society, revealing the absurdity and comical aspects, it produces laughter.
3. Ironic laughter: Through metaphor and comparison, the reader will feel absurd and ironic, but it is actually a kind of irony and thus produce laughter.
4. Unexpected Laughter: At the climax of the plot, the protagonist makes some unexpected actions or decisions that make the reader laugh.
5. Humor and laughter: Through the humorous handling of language, plot, characters, etc., the reader will have a pleasant and relaxed feeling to achieve the effect of laughter.
The laughter in the novel was a complicated way of laughing. It required a variety of techniques to achieve humor, irony, and touching effects that would resonate and make the readers happy.