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Pairing: Kuroo Tetsurou / Tsukishima Kei
Alternative name(s): Kurotsukki, Kurotsuki, KRTSK
Gender category: Slash, yaoi, M/M
Fandom: Haikyuu!!
Canonical?: No
Prevalence: Common
Archives: AO3
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Kuroo Tetsurou/Tsukishima Kei is a pairing in the Haikyuu fandom. Kuroo is on team Nekoma, while Tsukishima is on team Karasuno.


Kuroo and Tsukishima first meet at the practice match between Karasuno and Nekoma. Kuroo is a 3rd year at Nekoma, while Tsukishima is a 1st year at Karasuno. Both play the same position: middle blocker, hence the strong sense of rivalry between the two throughout the series.

The two first meet during the Karasuno vs Nekoma practise match in the first season. When Tsukishima gets disgusted at Hinata and Inuoka's energetic conversation, Kuroo goes up to him and says he should act like that once in a while, but Tsukishima says that's not like him.

During the Tokyo training arc, when Tsukishima walks past Gym 3 after the first day of practise games, he gets called out by Kuroo and Bokuto Koutarou to do some blocking practice. Though he passes at first, Kuroo tells Tsukishima that Bokuto's one of the top 5 aces in the nation, and after also provoking him that since he's a middle blocker, he should practise more on blocking, he walks into the gym. After Bokuto scores multiple spikes past Tsukishima, Kuroo makes it a double block. When Kuroo tells Tsukishima to block the straight shot, Kuroo stuffs Bokuto, making Tsukishima slightly amazed. When Bokuto tells Tsukishima that his blocks are weak, he proudly says that he's still growing. But Kuroo 'provokes' him, saying that if he looks at it from that view, then Hinata will surpass him. Being unfazed by that, Tsukishima admits that his skills are no comparison to Hinata's. When he leaves, Kuroo's shocked to see that Tsukishima sees Hinata as superior to him, despite his intelligence and height compared to him.

The next day, Tsukishima goes to Gym 3 again to ask Bokuto and Kuroo what makes them so motivated to work harder in volleyball, despite it 'just' being a club. After his question's been answered, he gets dragged into personal practise, where Kuroo teaches Tsukishima how to make his blocks more powerful. With his teachings, when Karasuno play against Fukurodani in a practise game the next day, his powerful block makes Bokuto do a feint, making Kuroo smirk from the other court. Kuroo further gives Tsukishima more blocking advise during the 3-on-3, Cats vs Owls.

Ever since the training camp, Tsukishima has used Kuroo's teachings during games. During the Spring national arc, Daisho points out that Tsukishima ticks him off, as his blocks look similar to Kuroo's. In chapters 297: 'Master and student' and 320: 'Master and student, part 2' they both show their persistence during the Karasuno vs Nekoma national match. The two constantly get under each other's skin as the rallies increase due to their blocks. However, the two remain friends despite their rivalry, and at times Kuroo is seen cheering for Tsukishima, proud of Tsukishima's progress, while Tsukishima acknowledges Kuroo as a mentor figure and volleyball rival.

Common Tropes in Fanworks

  • Futurefic and College AUs are fairly common settings for Kurotsukki fanworks.
    • Since this is one of the most popular ships between characters on different teams in high school, these types of fics are an easy way to bring Kuroo and Tsukishima into the same space for an extended period of time.
  • Fics exploring a potential long distance relationship between the two characters are also popular.
  • Canon Compliant Kurotsukki fic can be considered Rivals to Lovers.
  • In polyships, Kurotsukki is often shipped with BokuAka (AKA 'bakt' or 'Gym Three'). This is the most popular polyship in the fandom.

Example Fanworks



Some well-known Kurotsuki doujinshi artists/circles include:

  • KUROQUIS (As of August 2021, this artist has removed all of their work from the internet due to frequent unauthorized reposts of their work.)
  • cinnamon


Other Fannish Resources