Garbage disposal's manga / #Strong Female Lead(12)

Granddaughter of a Yakuza leader is force into a arranged marriage with another child of the Yakuza, their relationship changes as he learns that she is not a spoiled brat but a very interesting person and falls in love with her making it his mission to marry her though all odds say no.

Gl finds out she has a sister and shes a affair baby, her mother tries to give all the GL life achievements to the bio sister but when learning she isn't capable of carrying such heavy burden Gl runs away to elevate her staus on her own without her families name :0