Brother always reject girls around him! Despite having an ideal boyfriend by her side, his charm is still not enough to attract her, because he is always by her side...

Lee-Si-Hyun is a friendly normal schoolgirl whose hobby involves a radio program called "The Girl's Teaching Classroom: Viva Love You." She claims to have a mysterious confrontation with an alluring male teacher that she will soon meet. What will this new relationship of theirs become?

From Wataame Shoujo:

It's a story about a girl who seeks revenge against the guy who's ads made her want to transfer dorm which later got burned down while at the same time her cellphone and wallet got stolen! She finally got him to compensate by being her maid/servant?!
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A girl received a flower which bloomed into a boy. The boy grew really quickly, to the point that he is now the same age as her...And guess who fell in love with him?
But their relationship somehow become mother/servant.

About a husband and wife who are spouses on paper only (live in the same house, but separate rooms; same company [he is the president, she is a worker], but act as strangers) falling in love with each other.

From Transient Mirage:

Heidi just wanted a job. Philip just wanted to get over the death of his fiance by drowning himself with his work. A chance encounter in the elevator leads the two down the path of sexy spy romance!