Men's lucky pharmacist daughter, her first love black knight, became a fiancee. (Volume 1-3 is the latest issue)

Publisher: Ichijinsha
Author: Shun Mugizaki, Ichiyo Hiiragi
Size: 128mm x 182mm
Number of books: 3
Language: Japanese
Category: Female manga, manga
The latest release date: 2023-01-31

Synopsis:
Lydia, the Earl daughter, reincarnated in the Easy Love Simulation Simulation System. Life is easy ... but the luck of the goddess has changed zero!?
If you failed to get married two times and you were worried that you wanted a decent -grown third time, a black knight who misunderstood that he was recruiting a "sacrifice" for drug experiments came -!?!?