Recommendations

Both are slap and kiss and both are amazing! Excellent acting, cast and storyline. If you like one, you will like another.

In both the main girl characters did plastic surgery to feel pretty. In 200 pound beauty she was bullied a little. Where my ID is Gangnam Beauty she was bullied severely.

There is time travel in Somehow 18, and the male lead knows about the future. In thirty but seventeen she was in a 13 year old coma, so she’s doesn’t know anything.

In reunited worlds it’s more magic how he came to the present. He basically time traveled. Where in thirty but seventeen she was in a 13 year old coma, and then came to present. Both main characters don’t know about present time.

Actors Sho Sakurai and Mikako Tabe first acted together in Yamada Taro Monogatari. It's nice to see them reunited after 10 years.

Someone from a different field is asked to change a school. And are able to get results. Although Dragon Zakura focuses more on students.

The plot is exactly the same (Not sure if they're both remakes of the same drama or just based on the same manga/etc).

Both has a Chaebol with a dysfunctional family who is supposed to marry for M&A. A girl from a middle-class family with cooking skills, and has a lawyer boyfriend who has wronged her in. Both are by the same writer.

They are basically similar both the girls work for r Lotte Duty .An has a number of men ho men from which they both have to choose.In both the dramas girl are basic looking but all the men are super hot.

Simply because the robot is basically a clone of the main character.
Like in Duel Sung Hoon and Sung Joon are clones.

Both the story involves a couple going through hard times and their relationship is at the risk. Bothhave couples going back to their youth and encountering each other again in the pastm

1. Both leads are twin brothers
2. Both leads roles get switched
3. Both come from different types of world- one privileged,other poor

1. Both leads are twin siblings
2. Both get switched at one point
3. There is an overall dark history binding the twins

Resurrection also involves a switch of twin brothers who are the lead characters due to circumstances .

1.Both leads are twins
2. Both are living different kinds of lives

Both Dramas have the same dark vibe and start with someone drowning under similar circumstances. In both cases the female lead has a connection with the deceased person and the male lead with the "killer".