F21's activites

After graduating from the Academy, Lien and Dian were spending peaceful days.Suddenly, Dian fell ill...

...

Good plot or amazing main characters or both <3 
Note:  This is not in order. 

I also delete mangas in this list if the story went downhill or if i do not think it as one of the best after rereading.

Here's link to Part Two: 
https://www.mangago.me/home/mangalist/2381033/