SPOILER WARNING! This article contains spoilers from the manga |
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YukiRiko is the friendship between Yuki Tsukumo and Riko Amanai from the Jujutsu Kaisen fandom.
Canon[]
Riko Amanai and Yuki Tsukumo were both Star Plasma Vessels. They were young women who possessed the potential to stop Tengen's evolution by merging with them. Both Riko and Yuki rejected the merger.
2006[]
Riko was designated and raised as the Star Plasma Vessel for Tengen's merger in 2006. Before Riko's merger with Tengen, Yuki contemplated assisting the Star Religious Group in their goal to stop the merger. However, she did not help them because they chose to assassinate the Star Plasma Vessels like Riko instead of simply safeguarding them.

Yuki tells Geto about Riko and Tengen
Gojo's Past Arc[]
Riko rejects the merger, like Yuki did before her, but dies shortly after. Yuki is aware of Riko's death as she makes an appearance to tell Suguru Geto not to feel guilty for what happened to Riko as Tengen is now stable.
Culling Game Arc[]
Yuki asks Tengen if they were no Star Plasma Vessels besides her and Riko twelve years ago. She questions Tengen's decision to reject the merger as it was a risky choice. When Yuki hears Tengen's response it angers her. She tells Tengen that making children, Star Plasma Vessels like her and Riko, bear the weight of karma and using their history is not rational. She is angry at Tengen for making light of them chosing not to merge by being dismissive. Yuki calls Tengen irrational for their treatment of the Star Plasma Vessels.
Fanon[]
YukiRiko is a rarepair and not very popular within the Jujutsu Kaisen fandom. The ship only has 3 fan fictions written under its tag on Archive of Our Own. It is implied that the reason Yuki wanted to stop Riko's merger with Tengen is because Yuki can hear the voices of the pst Star Plasma Vessels inside of Tengen. Yuki did not want to have the same fate as them because she knows their souls remain separate. Yuki is protective of the Star Plasma Vessels within Tengen and seems to also be protective of Riko as she wanted to prevent the merger. It is shown that Yuki was more knowledgeable on the Star Plasma Vessels and the merger than Riko.
Fandom[]
- FAN FICTION
- Riko Amanai & Yuki Tsukumo tag on AO3