IwaKage

IwaKage is the slash ship between Hajime Iwaizumi and Tobio Kageyama from the Haikyu!! fandom.

Canon
Iwaizumi is a 3rd year and an ace and wing spiker while Kageyama is a 1st year and a setter. They went from the same middle school, Kitagawa Daiichi Junior High, and were both on the volleyball team. During the middle school year Kageyama was always following Oikawa to learn new techniques from him. Once when Kageyama was about to hit Kageyama for asking him to teach him to serve, Iwaizumi was there to stop Oikawa from hitting Kageyama. Iwaizumi protected Kageyama and scolded Oikawa to calm down.

At the graduation of the 3rd year, Oikawa and Iwaizumi greet their junior waiting for them at Aoba Johsai. But Kageyama did not go to Aoba Johsai and instead went to Karasuno High. Iwaizumi was surprised when he saw Kageyama with the Karasuno team. Karasuno and Aoba Johsai went against each other a total of three times, one match being a practice match and the other two being the Interhigh and Spring High matches. Aoba Johsai won in the Interhigh match while Karasuno won in the practice match and in the Spring High match.

Fanon
IwaKage is a small pairing in its fandom, being considered by many as a rarepair. It's rivaled by more popular ships such as Iwaizumi's ship with Oikawa and Kageyama's ship with Hinata. As a way to pair off the four, IwaKage is normally shipped alongside OiHina. There is barely any fan art of Iwaizumi and Kageyama alone together. Though, there is some fan fiction of them. There's currently 354+ romantic works and 137+ gen works of the pairing on AO3.

Fandom
FAN FICTION

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Variations

 * IwaOiKage refers to the ship between the two and Tōru Oikawa
 * KageHinaIwaOi refers to the ship between the two, Shōyō Hinata and Tōru Oikawa