Blue (2003)

A quiet teen's life is shaken up when she's forced to be her arrogant neighbor's slave. He loves her, but they both have a lot to learn about trust.

When 17-year-old Makoto Konno gains the ability to 'leap' backwards through time, she immediately sets about improving her grades and preventing personal mishaps. However, she soon realises that changing the past isn't as simple as it seems, and eventually, will have to rely on her new powers to shape the future of herself and her friends.

Devoted to her family’s rice-cake–making business and the high school baton club, Tamako is a little slow when it comes to love. She’s oblivious to her childhood friend Mochizo’s affections, even though all their friends know. With graduation closing in and Mochizo leaving for Tokyo, will Tamako realise her feelings and tell him in time?

Raku Ichijo (Kento Nakajima) is an only son and a high school student. His father is the leader of yakuza group Shuei-gumi. Raku Ichijo doesn't like to fight and he studies hard. His dream is to become a public official. One day, he passes the entrance gate at his high school and is kicked inadvertently by Chitoge Kirisaki (Ayami Nakajo). She is a new transfer student at the school. Chitoge Kirisaki is the only daughter of a rival gang leader. To keep the peace between the rival gangs led by their fathers, Raku Ichijo and Chitoge Kirisaki decide to act as boyfriend and girlfriend. --asianwiki

Yamada may be shy and rather clumsy, but the flower gardens at her school have always brought her happiness. Suddenly, a different sort of beauty catches her eye—the vivacious track star, Kase-san. Although the two girls don't seem to have much in common, they soon start a romance where each must learn an important lesson in tending their budding relationship. Can the two girls, so different from each other, learn how to make their first love blossom?

A young girl tries to maintain a long-distance relationship with an aspiring fisherman.

In middle school, Futaba Yoshioka was madly in love with Tanaka Kou but he moves away with his mother. She is reunited with him later in life but he is not the same person anymore.

Akira Tachibana is a soft-spoken high school student who used to be a part of the track and field club. Working part-time at a restaurant, she finds herself inexplicably falling in love with her manager, a divorced 45-year-old man.

Finally, the day of Mai's high school graduation has arrived. While Sakuta eagerly waits for his girlfriend, an elementary schooler who looks exactly like her appears before him. Suspicious, and for all the wrong reasons... Meanwhile, Sakuta and Kaede's father suddenly calls, saying that their mother wants to see her daughter. She was hospitalized because Kaede's condition had been too much for her to bear, so what could she possibly want now?

Tessa finds herself struggling with her complicated relationship with Hardin; she faces a dilemma that could change their lives forever.