A sister-brother relationship, the heroine is 7 years older than the hero, please be careful if you mind.
The plot is light-hearted and the logic is not rigorous. I hope you can show your respect and don't go into details.
I hope that I will be happy when I write and you will be happy when you read.
6 Updates a week
Concept: We all live in the gutter, but there are still people who look up at the stars