Kaguprez

Kaguprez is the het ship between Kaguya Shinomiya and Miyuki Shirogane from the Kaguya-sama: Love Is War fandom.

Canon
The main premise of the series is Kaguya's and Myuki's romance. They are both in love with each other, but are too petty to admit their feelings openly, seeing a 'confession' as an absolute loss that must be avoided. Until chapter 136, the two remained in a constant stalemate of getting the other to confess to them.

However, their battle of getting the other to confess doesn't last forever. The confession from both parties finally takes place during Cultural Festivals arc. After a while of clearing things out after the Cultural Festival, Kaguya and Miyuki have offically started dating as of the Christmas Arc. By that time, they have already kissed a few times, including a French kiss.

Throughout the following chapters, they have grown extremely intimate with one another. Their fear at the time was letting anyone, aside from those whom they can trust, about their relationship. However, it soon turned out that basically everyone from their peers, aside from Chika Fujiwara, suspected they were dating. Afterwards, the couple had to face the issue of a possible long-distance period in their relationship once Shirogane would study abroad and the issue of Shinomiya's family likely disapproval of their relationship.

For several chapters prior, both were preparing themselves to have their first sexual intercourse together, which finally took place in Chapter 220. As of chapters 222 and 223, the couple officially announced their relationship to their closest friends in the Student Council, with Chika Fujiwara being the only one who hadn't been aware of the two's feelings for each other, and who disapproved of their relationship.

As of the chapter "Kaguya-sama wants to break up (Part 1)", Kaguya has broken up with Miyuki due to her family marrying her off of someone to the Shinomiya family status. Though, Miyuki has obtained one billion Yen in "war funds", to show that he has not lost hope in getting Kaguya back. Kaguya and Miyuki still love each other very much, but are currently broken up due to the controlling Shinomiya family.

Instead of using the money for himself Miyuki uses it to buy a helicopter and put together a team to rescue Kaguya from her abusive family, while Kaguya jumps off a cliff to escape from the Shinomiya family, Miyuki catches her from the helicopter and asks her to start dating again and Kaguya replies with yes.

Fanon
It is one of the most popular ships in the fandom, as it's the central romantic plot of the story. As such, both anime fans and manga readers are well aware of the ship, although only the manga readers are aware of its nowadays canon status. This is also the most popular ship for both characters included.

As such, many fanarts and comics have been made throughout the past year, when Kaguya-sama's popularity exploded. Most of them depict the kiss from the Cultural Festival arc or the one from the Christmas arc.

Certain combinations of the ship's name include "Prez" - a reference to Miyuki Shirogane's role of the Student Council's President. The reason for this being Kaguya usually referring to Miyuki with his title instead of his name.

Fandom
FAN FICTION

PIXIV

WIKI
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Trivia

 * They're together on the covers of Volume 5 and 14, as well as with the other Student Council members, on the cover of Volume 10.
 * The Japanese voice actors of Miyuki and Kaguya sang the 1st opening of Love is war together https://www.youtube.com/watch?v=motF91gTdO0