9 End 2 Outs (2007)

Both have friendship between male and female, in both of them the main leads are in love with each other just don't realize that right away and don't considerate each other as potential lover until some things have happened. The leads in both dramas are in their 30's with good jobs. The chemistry is amazing in both of the dramas and relationship so natural, realistic and through all show you see everyday problems which everyone of us with that age have. And both of them are great.

They are both about childhood friends falling in love as adults. Both lack most of the annoying drama tropes, making the characters seem real and the love story convincing.

Old friend relationship goes to love relationship. Both dramas have the male lead in sports. The chemical charm between leads is so perfect in both shows.

Both are about a guy and girl living together...However that is pretty much where the similarities end..Both are good though.

Light and lovely old-style romantic comedies
Similarity in characters' personalities; kinda messy FL...
Friendship beautifully develops into romance
and cohabitation

High school graduate Gong Xi gives up her chances for university in order to support her childhood friend and romantic goal, Bu Po Shang, in his pop idol career. Upon arriving in Taipei, Gong Xi starts working on multiple jobs in order to support Bu Po Shang, whose popularity quickly rises, eventually becoming one of the top idols in Taiwan. One day, Gong Xi catches Bu Po Shang flirting with his manager, and learns that he only used her so she can help him with his living expenses. Heart-broken and betrayed, Gong Xi vows to get revenge by becoming a bigger star than him. Gong Xi auditions for L.M.E., Bu Po Shang's rival talent agency, and joins L.M.E.'s new-found department "Love Me". At L.M.E., Gong Xi meets famous actor Dun Helian, who eventually falls in love with her. ~~ Adapted from the manga “Skip Beat!” by Nakamura Yoshiki

Two best friends start living together and realizes their feelings for each other.

pretty much the same story line, best friends who come to look at the all years that they have been together as friends and try to understand their real feelings and the line between friendship and love.

The love story of a bickering couple through many years
at the age of 29-30
With a similar sweet group of friends
Stress-free and meaningful dramas
about a deep meaningful relationship
A satisfying slow burn

Like episodes 3-5 in Adult Trainee, 9 End 2 Outs is a story of friends to lovers.
They are in different age groups, but the friendship is the same, and the romance is very lovely.

They are both about best friends falling in love. In ILULULI (taiwan drama) they already live with each other whilst in 9E2O (korean drama) they come to live together later in the drama. Both the male leads have another love interest as well.

Seung Hee, after losing his girlfriend in a tragic accident, left for 3 years. When he came back, he sought to make a film in a rural area. Someone caught his eye - Bok Shil, who looks exactly like his deceased girlfriend, Hye Soo. Seung Hee followed Bok Shil in order to get some answers and ended up falling for her. Still the questions remain, is he attracted to Bok Shil because of the memories of his ex-girlfriend, or does he like Bok Shil for who she is? What happens when competitors come into the picture and families opposing their love?

Theme of baseball is mirror of story in these dramas. 9E2O is realistic then WR, but WR has criminal plot.

both dramas are about a women aspiring to to become writers, and due to unfortunate circumstances decide to move in with a man.

When Suzuki Yori was a child, he swore that he would become a celebrity with his childhood friends Shizuku and Subaru. Later, Yori moved away and became separated from his two childhood friends. He grew up as a plain-looking guy with glasses in the countryside. However, when he found out that Shizuku had become a popular model, and Subaru a popular actor, he transferred to his friends' high school on impulse to also follow his dream. There he met Shizuku again and decided to become her manager to support her behind the scenes. However, when Shizuku was participating in a lingerie photoshoot, he helped her out and entered the entertainment world when he captivated the public as the Mysterious Boy. Adapted from the manga "Anoko no Toriko" by Shiraishi Yuki