Koyomi Hidaka and Shiori Sato meet at his father’s research center and begin to fall in love, but so do their parents, who eventually marry. To avoid becoming stepsiblings, they decide to run away to a parallel universe. Traveling between dimensions is common in their world, but not without repercussions. Does a universe exist for the young couple, and what will it cost them to find it?
While struggling to make friends after his parents’ divorce, Koyomi Takasaki meets Kazune Takigawa, but apparently, they already have. Kazune reveals that she’s from World Line 85, an alternate universe in which she and Koyomi are lovers. But in a reality where moving between dimensions is natural, could Koyomi be the one from another world?
When five lovely young girls who hate studying hire part-time tutor Futaro, he guides not only their education but also their hearts. Time spent has brought them all closer, with feelings growing within the girls and Futaro. As they finish their third year of high school and their last school festival approaches, they set their sights on what’s next. Is there a future with one of them and Futaro?
Kyoko, who couldn't believe anything in the world and lived a desolate life, meets Katsuya Honda, who has been assigned as an educational trainee. She is at the mercy of Katsuya, who is rude and has a strong habit, and she is gradually attracted to her. However, she is disowned by her parents in the wake of an incident with her bad fellow. It's a punishment that I've been doing as much as I like. Katsuya appears in front of Kyoko who thinks so...
With dreams of diving abroad, Tsuneo gets a job assisting Josee, an artist whose imagination takes her far beyond her wheelchair. But when the tide turns against them, they push each other to places they never thought possible, and inspire a love fit for a storybook.
Mio is a girl in high school who slacks off. She and her childhood friend Arata and best friend Madoka spend their after-school days in Ikebukuro hanging out. One day, Madoka tells Mio that she loves Arata, and Mio realizes that she loves Arata, too. But she’s scared of their relationship falling apart and lies, saying she’ll help them. Mio deliberately acts coldly to Arata, and they get into a fight. She decides to work things out with Arata, but gets into a car accident on her way to meet him. She wakes up in a mysterious world. It's the Ikebukuro she knows, but something’s different...
Haruki secretly had feelings for Akihiko for years, but Akihiko was still in a relationship with his roommate, the violinist Ugetsu Murata. Haruki, Akihiko, and Ugetsu's love clashes and starts to move forward.
The battle rages on as Shirou continues to protect Sakura, now consumed by the darkness. He joins forces with Rin to end the Holy Grail War, while Illyasviel, who knows the truth behind it, confronts her fate. Amidst the chaos, Zouken plots to manipulate Sakura for his own desires. The final fight begins.
In Fujisawa, Sakuta Azusagawa is in his second year of high school. Blissful days with his girlfriend and upperclassman, Mai Sakurajima, are interrupted by the appearance of his first crush, Shoko Makinohara.
Shirou has lost his Servant, Saber, and is no longer a Master in the Holy Grail War. Despite this, he refuses to leave the battle, determined to protect Sakura. Meanwhile, a mysterious shadow engulfs the city, killing Masters and Servants one by one. As Shirou faces new dangers, Sakura is drawn deeper into her own destiny as a mage.
After marrying the head of the military, Benio hears her husband died in Siberia during a war. However after finding out he's alive and fighting against his home land, Benio starts looking for her first love. Wondering why he didn't return and wanting to welcome him back. Hardships will happen and hearts may be broken, as he might have moved on.
Although traumatized by witnessing the murder of his parents by one of the Choushuu, Ichimura Tetsunosuke's thirst for revenge leads him to desire strength. At the age of 15, Tetsunosuke approached the Shinsengumi, wanting to become one of its members. However, Tetsunosuke lacked the skill, mind, and will to emotionlessly cut down whoever threatened peace and the Shinsengumi. Even with the support of his brother Tatsunosuke and his newfound friends of the Shinsengumi, little did Tetsunosuke know the blood and pain he would have to face being part of this historical group.
Kotoko has long dreamed of the day when she is able to be together with Naoki. But when his father’s company faces some difficulties, Naoki agrees to marry the granddaughter of a client’s chairman to save the business. Knowing she should give up on Naoki, she tries going out with Kinnosuke, but even then, all her thoughts drift back to Naoki…
The story follows Benio "Haikara-san" Hanamura, who lost her mother when she was very young and has been raised by her father, a high-ranking official in the Japanese army. As a result, she has grown into a tomboy - contrary to traditional Japanese notions of femininity, she studies kendo, drinks sake, dresses in often outlandish-looking Western fashions instead of the traditional kimono, and is not as interested in housework as she is in literature. She also rejects the idea of arranged marriages and believes in a woman's right to a career and to marry for love.
Ten years after the Fourth Holy Grail War, a devastating clash between Masters and Servants, another war erupts. Shirou Emiya, whose father fought in the first battle, was leading a peaceful life with the warmhearted Sakura Matou. But when hidden forces begin to stir, Shirou resolves to fulfill his father’s dying wish, protect Sakura, and fight for the Holy Grail.