Love for Beginners

Both female lead is old-fashioned, and the male lead helps them improve themselves. Both of them are similar in many ways, but they give off a different feel.

Remind me of High School Debut starring Mizubata Junpei. ML is popular guy & many girls like him in his high school. FL is the opposite of ML but slowly progressing they fell in love with each other before they realized it. FL make a promise not to fall in love with ML but she was hiding her feeling for him. Cute & lovely high school love story.

Hibino Tsubaki is a young teenage girl with a talent for styling other people's hair. Yet, Tsubaki suffers from low self-esteem and isn't very comfortable styling her own hair. She also has a tendency to dress old-fashioned. She's teased at high school because of this.
One day, popular male student Tsubaki Kyota targets Tsubaki for teasing. Tsubaki Kyota holds sway over the entire classroom and is quite a playboy. Inexplicably they fall in love. Meanwhile, Tsubaki Kyota has commitment issues.

Plot is similar, at least at first - bad boy that never slept with same girl twice meets a serious no-nonsense girl and they help each other resolve their psychological issues. MARS is much deeper, more serious, and obviously longer with more plot lines.

ML is popular & caring person, many girls like him in high school. FL is shy & awkward person. Recently FL is broken heart & ML suddenly hear all her complain about why she's broken heart & why the guy she like rejected her. ML decided to play one side love game with FL but FL can't fall in love with him

The main leads are the same.
Also the male leads story is quite similar and the character of the female lead.

Hibino Tsubaki is a young teenage girl with a talent for styling other people's hair. Yet, Tsubaki suffers from low self-esteem and isn't very comfortable styling her own hair. She also has a tendency to dress old-fashioned. She's teased at high school because of this.
One day, popular male student Tsubaki Kyota targets Tsubaki for teasing. Tsubaki Kyota holds sway over the entire classroom and is quite a playboy. Inexplicably they fall in love. Meanwhile, Tsubaki Kyota has commitment issues.

Hibino Tsubaki is a young teenage girl with a talent for styling other people's hair. Yet, Tsubaki suffers from low self-esteem and isn't very comfortable styling her own hair. She also has a tendency to dress old-fashioned. She's teased at high school because of this.
One day, popular male student Tsubaki Kyota targets Tsubaki for teasing. Tsubaki Kyota holds sway over the entire classroom and is quite a playboy. Inexplicably they fall in love. Meanwhile, Tsubaki Kyota has commitment issues.

"True Beauty" is a romantic comedy about a high school girl, Lim Ju Gyeong, who rises to pretty girl fame after she masters the art of make-up from YouTube. She turns into a goddess because of her makeup skills, but would rather die than reveal her bare face to anyone. It tells her love story with the only boy that saw her without makeup, Lee Su Ho. Lee Su Ho is an attractive and handsome boy who appears cold because of his dark past but is actually very caring. They grow when they meet each other, share their secrets and find love with each other, but can Su Ho make Ju Gyeong find her true beauty?

Rikako of the twelfth grade repeated play at night with her close Miki every day. One day she meets (and becomes infatuated with) Tomoaki Fujii, who's rumoured to be the Don Juan of her school and even impregnated a girl before getting an abortion in his father's hospital. This doesn't bother Rikako one bit, as she too sleeps around. But Tomoaki, knowing Rikako's true intentions, shoves her aside. Rikako later finds out that Tomoaki is quitting school to move to Okinawa, and she finally attempts to understand him. From then on, they form a close bond.

It's Shouko Komi's first day at the prestigious Itan Private High School, and she has already risen to the status of the school's Madonna. With long black hair and a tall, graceful appearance, she captures the attention of anyone who comes across her. There's just one problem though—despite her popularity, Shouko is terrible at communicating with others. Hitohito Tadano is your average high school boy. With his life motto of "read the situation and make sure to stay away from trouble," he quickly finds that sitting next to Shouko has made him the enemy of everyone in his class! One day, knocked out by accident, Hitohito later wakes up to the sound of Shouko's "meow." He lies that he heard nothing, causing Shouko to run away. But before she can escape, Hitohito surmises that Shouko is not able to talk to others easily—in fact, she has never been able to make a single friend. Hitohito resolves to help Shouko with her goal of making one hundred friends so that she can overcome her communication disorder.

Kuji Akira and Ninomiya Makoto are childhood friends and neighbors. Since Akira is “handsome” for a girl and Makoto is “pretty” for a boy, their gender presentation is often confused. As they try to untangle their complex feelings about themselves and each other, they find out their friends are crushing on them, too. It’s a complicated childhood friend love story!

Blessed with good looks, Takano Kyohei, a college student, is always suffering from the unreasonable behavior of customers who want him and the sexual harassment of his store manager. Because of his hot temper, he loses his head on this occasion and is fired from his part-time job.

Then, one day, the glamorous owner, Ms. Nakahara, proposes, "I'll give you free board-and-lodging if you can turn my niece, Sunako, into a lady!" Kyohei and Toyama Yukinojo, Oda Takenaga and Morii Ranmaru, the other guys living together in the same boarding house, are enthusiastic, but the person who appears before the four of them is a spooky girl whose hair covers her face and who loves horror and vampires. And so, their tumultuous communal life begins.

Hibino Tsubaki is a young teenage girl with a talent for styling other people's hair. Yet, Tsubaki suffers from low self-esteem and isn't very comfortable styling her own hair. She also has a tendency to dress old-fashioned. She's teased at high school because of this.
One day, popular male student Tsubaki Kyota targets Tsubaki for teasing. Tsubaki Kyota holds sway over the entire classroom and is quite a playboy. Inexplicably they fall in love. Meanwhile, Tsubaki Kyota has commitment issues.

Miyu and Shuya are high school students. They have dated for 2 years. Miyu and Shuya have a promise that no matter what, they will watch a movie together on the first day of each new month. When Miyu and Shuya are on their way to the movie theater, Shuya suddenly cancels their date. Shuya seems like he is hiding something and he acts nervous. Later, Miyu goes to the place where she is supposed to meet Shuya, but she witnesses Shuya getting into a car accident. She panics, but when she wakes up she finds herself on the morning of the accident. Miyu keeps waking up on the day when Shuya got into an accident.