Recommendations

In this drama also the main lead is taking revenge for his mother's death and in the process ends up finding love and people who stick with him . Lawless lawyer is a bit more mature and dark but if you liked lawless layer give this a try.

Both dramas are very funny, cheerful, uplifting comedies with the focus on romance between a company CEO and their staff member.

Both series take place both in real life and in a video game. Love O2O is more romantic, while Memories of the Alhambra is more action-thriller-mystery. Both are well written with brilliant actors and engaging characters.

Both set during the Joseon Dynasty and both films have a similar feel to them.
If you liked FengShui you will definitely enjoy Heung-boo.

PART II
A love triangle spirals out of control, wreaking havoc on a couple's relationship and a friendship between two women.

Both are about a poor girl marrying into a rich family and figuring out all of the bad things they've done. Except in mask, the girl deceives the boy, and in the last empress, the boy deceives the girl.

The overall feel in my opinion is very similar
There is also a prince going to another country as a hostage

If you love Mother of Mine then you might also love My Golden Life ! The two of them are similar in many ways : it shows the struggle of a family with the love-hatred relationship between sisters and mother's sacrifices to raise her children. It depicts the different aspects of every characters and the romance between the two main characters is also similar to the romance between Kang Miri and Han Taeju in Mother of Mine as it's about a man madly in love with a woman who wants to preserve her family and her work rather than start a relationship. As their family's situation seems to do nothing but getting them apart their love for eachothers can only grow stronger. Finally these two dramas are about the same number of episodes (about 50 episodes of 1hour).
Habitually I'm not very fond of dramas with a lot of episodes but these two were the exceptions, so don't miss My Golden Life out !!

They both are in similar genres, horror, supernatural rom-com. I love Master's Sun and I think people who love it will love Hotel Del Luna too! They both have stories revolving around helping vengeful ghosts stuck on earth to find their peace.

Has the same leads, so if you cant get enough of the chemistry you can give pleasantly surprised ago

A evil male lead force a woman to stay with him for the sake of her family. The woman stand up towards him and doesn't stop to fight which somehow attracts the male lead more, change him and finally make him fall in love with her.
Both male leads are no disgusting women-haters and stick to some principles. Both do have a soft side and can be really cute... if they want

These dramas are historical romances with great cast. In both dramas ML is obsessed with FL and jealous because of SFL. FL in these dramas have similar personalities. SFL in both dramas is kind and protective but makes bad decisions that hurt FL. Both dramas revolve around power struggles and the plot takes place mainly in palace. Ending of Scarlet Heart Ryeo is similar to ending of Good Bye My Princess.

in class of lies , Main lead is a attorney and he is a successful lawyer. but he falls from grace because of one case. he changes his identity and will be find out the truth behind that case.

in Room No 9 , Main female lead is a attorney and she is a successful lawyer. She goes to meet with Jang Hwa Sa, who is on death row for an infamous case of poisoning serial murders. Inside Room No. 9 of the high-security women’s prison, the souls of Hae Yi and Hwa Sa change bodies. then the attorney's body, she hides her identity and find out the truth behind her case .

Female lead travels inside a fictional world in both dramas and find love.While world in W is set in the comic book, Unique lady goes inside a game world.

The Mystic Nine series is about the nine grave robbing families who are the ancestors of The Lost Tomb's main characters current and future generations. A prequel to The Lost Tomb and provides a really good contextual background.