in a heartbeat fanfic

Since it's a fanfic, it depends on the source material it is based on. However, 'caught in the heartbeat' gives the impression of a story centered around strong emotions. It might be about a character who is suddenly plunged into a situation where they have to face their true feelings. For example, in a fantasy setting, a hero might be caught in a situation where they realize their love for a fellow adventurer, and this realization is like a 'heartbeat' that drives the rest of the story, with all the drama, conflict, and resolution that follows.

I don't have enough information to tell who the main characters are in 'caught in the heartbeat fanfic' as I haven't read it. It could be characters from the original work that the fanfic is based on.

" Heartbeat " was a youth romance novel that told the story of a reunion on campus. In the story, the female protagonist asked a handsome male student to write the test paper for her because of her hand injury. In the end, she found out that he was actually a top student. When they met again, the female lead heard the male lead say that their childhood dreams could be realized, and both of them were very happy. The author, Ye Man, was a young romance writer who was good at delicate and touching descriptions. The chapter content of Heartbeat included meeting, transferring schools, peeping, reunion, worry, entanglement, accident, and redemption. While waiting for the anime, you can also click on the link below to read the classic original work of The King's Avatar!

The feeling of being moved by someone or something referred to the feeling of love and liking. In online literature, heartthrob usually referred to the feelings that the protagonist or supporting character had for another character. Such feelings could be love, friendship, kinship, and so on. Heartbeat was a common emotional description in online literature. It could promote the development of the story and enhance the reader's sense of immersion. In novels, emotions were usually expressed through words, actions, expressions, and so on. For example, when the protagonist saw the opposite sex he liked, he might blush, his heart might beat faster, and he might speak incoherently, or the protagonist might take risks and sacrifice himself to help the opposite sex he liked. These descriptions could allow the readers to feel the emotional changes of the protagonist and enhance the reader's sense of identity with the protagonist. Heartbeat was a common emotional description in online literature. It could promote the development of the story and enhance the reader's sense of immersion. In a novel, the author could express the protagonist's emotions through detailed descriptions and vivid plots, allowing the readers to feel the emotional changes of the protagonist. While waiting for the anime, you can also click on the link below to read the classic original work of The King's Avatar!

One plot idea could be exploring the backstories of the main characters in more depth. For example, what led them to be the way they are in the original story.