The male and female protagonists were childhood sweethearts, but they didn't know they liked each other until they were 18 years old. They only regarded each other as friends. It wasn't until they turned 18 that they discovered that they had always liked each other due to some trivial incidents. Finally, due to the obstruction of a certain female partner, the drunk heroine mistook the male protagonist's nemesis for the male protagonist and confessed deeply to him. In the end, the misunderstanding was explained and the male and female protagonists got together as they wished.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.