Recommendations

Both have characters that are navigating balancing modern young adulthood and managing society's and parental traditional expectations. Both dramas are funny and the characters are well developed.

Male lead can not remember faces but encounters a woman he can't forget. Rich Man is a remake of the popular Japanese drama 'Rich Man, Poor Woman'.

Both have not so serious tones
Both are car themed
Both have rangers that are (red, blue, green, and yellow)

It's the movie to the show, the cast come back to fight defeated monsters
Dairanger fans will enjoy this

Both were adapted into Mighty Morphin Power Rangers
Both have ancient characters and tribes
Both were written by Noboru Sugimura

Both incorporate a fantasy theme
Both star Machiko Soga as a witch
Both have other world settings
Both feature characters and monsters from mythology

Both 10 years apart
Both have family rangers
Both have a dad ranger
Both feature a magic ranger
Yellow Magiranger guest stars in a episode

Two former best friends fight over one man. One has a failed relationship (he died and cheated on her), and the other has many but marries the male lead. Jealousy and attempted seduction ensue.

They both have a twin, one is evil and the other one is innocent/ good. The difference is that, in Nice witch they are biological twins whereas in Bride if the century , they’re not they just look alike. In NW the twin become ill and stayed in the hospital and ask the other twin to pretend to be her while she’s recovering whereas in BOEC the evil girl didn’t want to get married, so she ran away and the mother find out they is a look alike girl, which they give her money to pretend to be that girl and stay with her husband to be ( as it was arranged marriage). Overall both evil twins, wanted the man near the end because they were jealousy.

Both are school dramas with a girl contended by many boys, and both are adapted from a manga.
Both include a friend male helping the MC, and a jealous girl.

A very savey stunt women who looks out for her loves ones and who is not intimidated by people with money and power. She often teasingly spars with her love interest physically and verbally. An in-law family member trying to undermined the heir to the family business. Two additional love stories playing out along with the leading couple.

Both main guys don’t recognize main girls. Both have strong female characters that want to justify their decisions they made.

Time travel in both. Both get men to fall in love with her. Main guy in beginning doesn’t like main girl.

Both have time travel, and wish to go back home at times. Main guy also reluctant to like main girl, too.

Both have strong female lead..
OMG female lead is strong at battles because she is the general..
GAI female lead is strong mentally because she is in charge of battle strategy during war.

Both have romantic relationship with royalty..
OMG female lead general is engage with the prince which is the nephew of the emperor.
GAI female lead was married to the prince which is the brother of the emperor.