Sachiko is the 17-year old daughter of radiotherapist Professor Oshima. After exposure to radiation in the hospital, she develops leukemia. As if that was not enough trouble for one lifetime, Sachiko discovers that Oshima is not her real father, and that her boyfriend is really her half brother.
Satomi Ishihara
Oshima Sachiko
Tatsuya Fujiwara
Sagara Mitsuo
Takanori Jinnai
Oshima Shigeru
Keiko Takahashi
Oshima Rie
Soichiro Kitamura
Sachiko's grandfather
Takashi Naito
Sagara
Yoshiko Tanaka
Oshima Toshie
Michiko Ameku
Sagara Tokiko
Sachiko is the 17-year old daughter of radiotherapist Professor Oshima. After exposure to radiation in the hospital, she develops leukemia. As if that was not enough trouble for one lifetime, Sachiko discovers that Oshima is not her real father, and that her boyfriend is really her half brother.
Tsumiki Miniwa, a small girl who packs a punch, is in love with her best friend, tall and easygoing Io Otonashi. The only problem is that she can't bring herself to come out and say it. And, despite the fact that he can otherwise read her like a book, Io doesn't seem to be able to pick up the obvious clues—even with all of their friends teasing that there's no one better suited for each other. Acchi Kocchi follows Tsumiki and her circle of friends as they go through their day-to-day lives. Between Mayoi the electronics nerd, Sakaki the good-natured prankster, and the nosebleed-prone Hime, Tsumiki's friends will never let her live down her crush. But only time will tell if Tsumiki will gain the courage to finally say how she truly feels.
Nana Osaki and Nana Komatsu meet while traveling to Tokyo in pursuit of their respective dreams, and decide to be roommates. Although drastically different people, the two become very close and together they find out if their biggest dreams have room for their best friend.
Naoya Mukai has loved Saki Saki since grade school, and when she finally accepts his feelings, he's at his happiest. But one day, a cute girl named Nagisa Minase confesses to him! Not wishing to choose only one over another, Naoya chooses to go out with both of them!! What will be of this love triangle that challenges morality itself?
Masaki struggles with self-worth as an omega parent, but just as life feels stable, the past comes knocking with uneasy motives.
Nanami Takahashi is a high school student entering her first year. Immediately on her first day however, she becomes the victim of a practical joke by the school's most popular guy, Motoharu Yano, who coincidentally also ends up in her class.
Male student Souta Tsukishima begins working at his family's public bathhouse as a back washer. While concealing her true identity, Souta's classmate Aoi Yuzuki visits the bathhouse. A relationship between the two begins to develop when Souta washes Aoi's back.
16-year-old super-studier Nagi Umino, second-year student at the Megurogawa Academy high school, was switched at birth. On his way to a dinner to meet his birth parents, he accidentally meets the brash, outspoken, Erika Amano, who is determined to make Nagi her fake boyfriend as she never wants to actually marry. But once Nagi makes it to dinner, he finds his parents have decided to resolve the hospital switch by conveniently having him marry the daughter his birth parents raised...who turns out to be none other than Erika herself!
Nicknamed "Sadako" for her spooky appearance, high schooler Sawako begins to break out of her shell when she befriends popular boy Kazehaya.
Kotarou Azumi and Akane Mizuno became third year students at junior high school and are classmates for the first time. These two, along with fellow classmates, Chinatsu Nishio and Takumi Hira, relate to their peers through mutual understandings and feelings. As their final year at junior high school progresses, the group overcome their challenges to mature and become aware of changes in themselves.
Alya is a transfer student enjoying popularity at her new high school, often sporting a cold shoulder while earning high marks in class. She ignores her nerdy classmate, Kuze Masachika, except for when she blurts out a flirtatious line to him in Russian. Little does she know, Kuze understands Russian, though he pretends not to. Let’s see where this wacky love story takes them!