Action manhwa with a little bit of romance, preferably a male mc but fine If not.
The Gamer
Again My Life
God Of Highschool
Eleceed
Lookism
Dice
MicroHunter (dunno if it has romance or not tho)
Help! it's was of where it was the FL birthday or something like that so her fiance/husband got her a present and she also bought him one and it was oils, like s3x oils. She thought it's was used to massage eachother a face so they completely misunderstood eachothers true intentions, and it resulted in embarrassment.
God, this took me forever to find. A scene in this I believe
http://www.mangago.zone/read-manga/this_is_an_obvious_fraudulent_marriage/
UGHHH THANK YOU SO MUCH