Goong - Princess Hours - girl get married to a a prince beacause her grandfather made a promise
Princess Hours - Thai version of Goong
Something about 1 Percent - a rich grandfather blackmails his grandson in order to make him marry a kind girl (it is more forced courting / dating)
The Crown Princess - An elite soldier need to marry a crown princess to cover her identity and protect her
Leh Ratree - A father (kind of) sold off his daughter to a rich family to clear his debts - the son of the family doesn't want this arrangement as well as the girl