Romance with dark themes

Themes : terminal illness, high school life

15-year-old Ikeuchi Aya is an ordinary girl, the daughter of a family who works at a tofu shop, and a soon-to-be high schooler. However, odd things have been happening to Aya lately. She has been falling down often and walks strange. Her mother, Shioka, takes Aya to see the doctor, and he informs Shioka that Aya has spinocerebellar degeneration - a terrible disease where the cerebellum of the brain gradually deteriorates to the point where the victim cannot walk, speak, write, or eat.

Themes : terminal illness, fantasy

A 30-year-old postman learns that he doesn't have much time left to live due to a terminal illness. He is plagued by a constant headache, visits a doctor and is told that he has a brain tumour. A devil then appears in front of him and offers to extend his life if he picks something in the world that will disappear from his life. The man thinks about his relationships with ex-friends, ex-lovers, relatives and colleagues who will be sincerely sad when he dies. As the phone disappears; so does the memory of his girlfriend, with the movie; his friend, the watch; his father... In this fantasy human drama, a man struggles with the conflict of erasing his own existence, or his love, friends and family.

Themes : terminal illness, relationship between a teacher and a student

Hina, a student at Nikko High School, goes out one evening with her classmate Beniko. They get split up and Hina ends up in a strange meeting with a man named Ikumi in a game arcade. The next day, Ikumi turns up as the new teacher at her school. Ikumi doesn't seem to recognize Hina but the wheels of fate are slowly moving to reunite them in what is a passionate story of forbidden love.

Themes : suicide, depression

The drama revolves around the relationship between Rei Kosaka (a tsundere guy who easily gets worked up and who always says, "Just die already") and Nana Shikano (a girl who habitually cuts her wrists and who always says, "I want to die.")

Themes : suicide, time travel

28-year-old Kyung Hwi is a resident at a university hospital. He was bullied in high school. He made a suicide attempt, but Han Na Bi, a mysterious girl that transferred to his school early that semester, prevented him from dying. However, after telling him to live, she had suddenly committed suicide. Kyung Hwi couldn’t forget about her for the past decade and one day wakes up to find himself in his old self 10 years ago. It’s a week before Na Bi committed suicide.

Themes : suicide (but it's still a comedy), relationship between a teacher and a student

Following a failed confession to her first love, female high school student Mikoto Ochiai contemplates jumping off the roof of the school building. However, her thoughts are interrupted by the arrival of Jin Haiba, the physics teacher known for being a slacker and the butt of students' jokes. Rather than dissuade her from killing herself, he makes a request—will she enter into a romance with him before she dies? Together, the two gradually ponder why they should keep living and why they should not love each other in earnest.

Themes : domestic violence, stalking, bullying, sexual abuse

A girl is just 14 years old, but she endures a difficult life. Her parents abuse her at home and she is bullied by students at her school. She doesn't have a place where she can feel comfortable. One day, the girl is kidnapped by a man wearing a mask. The kidnapper names the girl Sachi, while wishing her to be happy. For the first time, Sachi can feel happiness.

Themes : domestic abuse, arranged marriage, fantasy

Saimori Miyo was the unfortunate child of a loveless, arranged marriage. After her mother died, her father brought in his lover and her own daughter, Kaya. From then on, Miyo's life was reduced to that of a mere servant. Even worse, while Kaya inherited the family's psychic abilities, Miyo had none—she was truly the daughter with no merit. After years of being treated like dirt, Miyo has learned to keep her head down, hide her pain, and obey every order. So, it comes as no surprise that she is arranged to be married to Kudo Kiyoka, a military captain rumored to be so cruel that he has driven away every one of his potential wives so far. From a painful upbringing to a painful marriage, that's the future that awaits Miyo—or so she thought. Contrary to her expectations, her new husband is actually kind-hearted. What really awaits Miyo is a blissful, everlasting marriage full of happiness!

Themes : family disputes, marriage

Hanaoka Nao's mother, Yuriko, works as a confectioner at Kogetsuan, a traditional Japanese sweets shop. Nao meets Takatsuki Tsubaki, the owner's six-year-old son, and they become childhood sweethearts. Tragedy strikes when Tsubaki's father is murdered. Nao's mother is arrested based on Tsubaki's testimony, and Nao is left homeless after her mother's death. With Nao as the daughter of a murder suspect and Tsubaki as the victim's son, they part ways with bitterness. Over 15 years later, Nao and Tsubaki cross paths again during a Japanese confectionery competition. Tsubaki, unaware of Nao's true identity, is captivated by her creations and impulsively proposes marriage. Nao, determined to prove her mother's innocence, conceals her past and agrees to marry Tsubaki, gaining entry to Kogetsuan. Little do they know the challenges awaiting them. Despite life's adversities, Nao and Tsubaki's bond deepens as they're drawn together. The truth behind the events of 15 years ago remains a mystery.

Mika is in her first year of high school. While Mika accidentally met a flashily dressed boy called Hiro at school, she turns and flees. They soon fall in love each other. Their days pass happily, but the trouble is coming to them...

An ordinary senior high school girl named Mika meets Hiro, a showy boy with dyed hair and pierced ears. It is a “pure love” story of the two going through many unimaginably sad incidents while nurturing their love single-mindedly. It not only depicts the first love of the senior high school couple but also weaves “a story of Mika and Hiro” through episodes probably familiar to anybody, such as warmth and affection of their family members supporting the two, the importance of living, interactions with friends, and so on.