It's mainly about the daily interactions between Takagi and Nishikata. Takagi loves to tease Nishikata, and their relationship is full of cute and humorous exchanges.
I'm not sure as I haven't read the novel specifically. But usually, there would be a male and a female lead whose relationship is the focus of the story.
You might be asking about the novel " Eternal Love ", which is an ancient romance novel written by the author, Junzi Jiangshan.
The novel was about the love story between the female lead, Su Li, and the male lead, Ye Chen. Ye Chen was originally a prince of Dongling, but he was framed by a traitor and ended up in exile. He had saved Su Li in an accident, and the two of them had become fated. Su Li was a woman with superb medical skills. She had developed a crush on Ye Chen and helped him regain his status as a prince. However, their love journey was not smooth. The two of them had experienced many hardships and trials. In the end, they overcame many difficulties and came together.
I don't know if you want to know about this novel. If not, please provide more information and I will try my best to answer you.
While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!
The word 'eternal love' could be eternal or a promise.
Eternity means that love has the power to transcend time and space, and can last forever, even if it is separated, it cannot be separated.
A promise meant that both parties were willing to maintain a romantic relationship in the future and make efforts and promises to it.