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KuroYaku is the slash ship between Tetsurō Kuroo and Yaku Morisuke from the Haikyu!! fandom.


Kuro and Yaku are both students in Nekoma High and are teammate. They first meet when Yaku won against Kuroo in a match during junior high. This caused Kuroo to hold a grudge against him until they met again in their first year of high school. Kuroo thought of Yaku as the libero of the team that crushed his junior high dreams. On the other hand, Yaku didn't even remember playing against Kuroo when asked about it.

The two joined the Nekoma volleyball team during their first year. They originally started off hating each other. Mostly because of their clashing tastes and personalities. They would often bicker and disagree on minor things, such as girls' hairstyles, summer activities, favorite foods, and even which brand of volleyball they preferred. For example, in contrast to Yaku, Kuroo prefers fish, girls with long hair, sweet curry, Mikasa volleyballs, going to the sea during the summer, dogs, and Japanese-style. Although it's unclear if he said some of those things so that he would oppose Yaku.

One day during practice, all the freshmen members had to say their goals and aspirations out loud per the club's tradition. When Kuro and Yaku were answering this question, to everyone's suprise, they both answered with "to win nationals". Because of their common goal, the two chose to put their differences aside to play volleyball together. Yaku and Kuroo are shown to still tease each other in their third year, for instance, Kuroo has been shown calling Yaku various nicknames such as "Yakkun" and "Demon Senpai." Even so, their interactions are far friendlier than when they first met as they have a strong relationship and mutual respect for each other.


Although KuroYaku is not a very popular ship in the Haikyu!! fandom, it has a decent following. Most fans seem to have jumped onboard the ship after seeing the Nekoma Vs. Nohebi game. The anime's fourth season adapted this game, drawing more fans to Kuroo and Yaku's dynamic. They are often portrayed together in fanworks with their friend, Nobuyuki Kai. They're referred to as the Nekoma Third-Years. Most content with KuroYaku revolves around the two confessing to each other. The rest of the Nekoma volleyball team is usually included in these situations. Yaku is often jokingly referred to as the team mom and Kuroo as the team dad.

On AO3, KuroYaku is the 9th most written ship for Kuroo and the 2nd most written ship for Yaku.



Kuroo Tetsurō/Yaku Morisuke tag on AO3
Kuroo Tetsurou/Yaku Morisuke tag on FanFiction.Net


  • Kuroo prefers fish, girls with long hair, sweet curry, going to the sea, dogs, Mikasa volleyballs, Nocchi, and Japanese-style. In contrast, Yaku likes meat, girls with short hair, spicy curry, going to the mountains, cats, Molten volleyballs, Kashiyuka, and Western-style.
  • Kuroo calls Yaku by many nicknames, both to his face and to others. These include "Yakkun", "Yaku-paisen", and "Demon Senpai".



SHIPS het BokuYukieDaiYuiHinaYachiShouMikaTanaKiyoYamaYachi
slash AkaKenAoFutaAtsuAranAsaDaiAsaNoyaAtsuHinaBokuAkaBokuHinaBoKuroDaiSugaHinaNoyaIwaKageIwaOiKageHinaKenHinaKinKageKuroKenKuroTsukiKuroYakuKyouhabaOiKageOiKenSakuAtsuSemiShiraSugaKageTsukiHinaTsukiKageTsukkiYamaUkaTakeUshiKageUshiTenUkaTakeYakuLev
femslash KanoYachiKiyoYachi
family AkiKeiAtsuOsa
cargo Kenma x Video games
CHARACTERS male Kei TsukishimaKenma KozumeShōyō HinataTobio Kageyama