Recommendations

Both drama plot is about main lead seek revenge and success. In IC the story revolve around business and how main take revenge and success to get justice for his father while in DP the story is about a talented doctor try to get revenge from chairman of big corporation that cause her mother's death. Both story is worth to watch.

The two are a lot alike

Body swap between a high schooler and a middle aged man
The body swap ends improving the image of both
Fixing broken/past relationships

The two stories are different but whats so similar is the female lead being all about money at first but changes when she meets the main guy and his kids. Also in both stories the FL get close to the kids and the ML. Gives the same vibe.

Both are BL series where the main characters live in a building owned by a trans or gender nonconforming person.

Although the type of story is different, both have a male/female power struggle as well as the fact that both "Hot Gimmick" And "5 to 9" are based on mangas written by the same author, Miki Aihara

Very similar storyline and vibes. In Go Princess Go, the protagonist is a male who wakes up trapped in a woman's body, the princess hated by her husband the Crown Prince, the drastic change in her personality makes her husband fall for her

Both are stories that are focussed on the male leads trying to protect each other from evil whilst keeping a huge secret. They both surround mystical elements and have enjoyable side-characters that have their own story arcs and developments. They also share the similarity of having over 40 episodes, so both are long series,

L.O.R.D and Guardian both have an enjoyable bromance between the main leads.

Both dramas deal with the concept of time leaping. Todome No Kiss leans more towards a comedy than 365 Repeat the Year does.

Both dramas have a actress FL falling in love with a ML that are in very serious fields(FMIYM: News Achnor, TYH: Lawyer).
Both FL's have an upcoming role with a job that corresponds to the ML's profession and seek out his help to do her best.
Both ML's are harsh towards the FL at first because of her life as a celebrity, but soon respect her due to the jobs hardships
Both FL's maintain a positive and cheery attitude towards their less-than-favorable circumstances

The main difference between these two is that FMIYM has a fantasy element to it while TYH is more so your everyday office romance.

Both are courtroom dramas. Romantic relationship between the main leads who are both lawyers. Hyena has more comedic elements and cases while Lawless attorney also has comedy but is more serious and more complicated villain but both keeps you on the edge of your sit. Also, if you're searching for a strong female character then say no more and click on lawless attorney.

There's not much similarity but I got reminded of Fall in Love with Me when I was watching The Brightest Star in the Sky. Many songs of the soundtrack is also sung by the male lead which are pretty good.
- Both of the male leads are rich with the female leads struggling with money (sorta)

- There isn't any time travel in Kahogo no Kahoko but the death premonition part is similar
- Leads in both the drama are an artist and a hard-working person
- focus on family
- A raw Japanese feel
- The female lead has a difficult father relationship

Both have a lot of the same concepts dealing with a big business run by a powerful family. This of course entails love, soul searching, fight for power, family drama, etc. and don’t forget - twists and turns throughout the series!

1) Both were extremely tragic , the sweet parts of the drama was simply there to make the tragic parts even more tragic.
2) Both male leads had concubines/harems
3) Both male leads do everything in order to become Emperor
Differences:
No-one can beat Li Cheng Yin (male lead) in Goodbye My Princess in how cruelly he treats the female lead and the trauma and torture Xiao Feng (female lead) is put through because of him.

1) Both male leads are hated/feared by their father as they feel threatened by them
2) The female lead gets close to the male lead for revenge for part of the drama but also deeply in love with him.
3) Both female leads were the love of the male lead but were both concubines/had a lowly status so were not fit to be the male lead's wife.
4) Both about palace intrigue
5) Both male leads have a harem
6) Both are tragic