The heroine is an idiot in life, focusing entirely on studies. After entering high school, she found that the first place was taken by the male protagonist, so she secretly regarded the male protagonist as her rival, thinking that one day she would surpass him, and therefore she was completely unaware of the male protagonist's feelings for her.
The male protagonist has liked the female protagonist since junior high school, because he was comforted by a piece of candy from the female protagonist on the day his favorite grandmother died, so he studied hard just to be qualified to stand next to the female protagonist. Unexpectedly, he worked too hard and occupied the first place for a long time.
Because they didn't want to fall in love prematurely, the male and female protagonists in high school strangled the bud of their first love and turned against each other.
After college, the male protagonist has all his plans and exploits every opportunity to make the female protagonist fall in love with him again.
Intent: Fall in love and kill each other/Pure love/BG/1V1
