KahaFushi

KahaFushi is the non-binary ship between Kahaku and Fushi from the To Your Eternity fandom.

Canon
Kahaku was the 6th successor of Hayase's line, as well as the first male. He approached Fushi while the latter was still asleep, reciting out loud the titles of the books that the immortal was reading. Kahaku introduces himself, joking that he could bring a book about "love between men and women" because of Fushi's apparent interest in the topic. Kahaku says that he isn't going to attempt to seduce Fushi because he was into women. Fushi agrees to this statement half-heartedly and asks him his goal. Kahaku covers for Fushi when citizens try to capture him and apologizes for being unable to dispel the notion that Fushi was a bad person. The immortal kindly tells him he needn't apologize, to the ravenette's relief. Kahaku asks to be comrades, and Fushi agrees to go with him, as long as they can save people.

The next day, Fushi and Kahaku's Defense Corps patrol the streets, throwing away 'WANTED' posters of Fushi. Kahaku suggests for him to change forms, but Fushi dismisses the idea, calling it ridiculous. Fushi urges him to think of a plan in the meantime. Later, Kahaku brings Fushi to a town where he helps its citizens in distress. Kahaku praises him for the help, but Fushi worries if it was enough. A crowd of rowdy protesters attacks Fushi, but Kahaku calmly deals with the assailants, all the while protecting Fushi. He stretches the Nokker in his arm in order to attack and easily scares them off. Fushi asks whether he should be using that form, but Kahaku calls it appropriate for serving the immortal. Fushi notices how the Nokker is smaller in his arm than it usually is.

At night, Kahaku advises him to change to a female form again, and Fushi finally agrees. After going through Pioran, Rean, and Tonari, he ends on Parona. Kahaku immediately starts blushing, insisting that this was the form that Fushi use. The day after, he wakes her up and treats her with more reverence than before, looking out for Fushi's needs.

After a talk with Todo, Fushi asks Kahaku whether a man can like other men. Kahaku is visibly flustered, and says that people were free to do anything they liked. He goes on to ask Fushi which gender he preferred, and Fushi reasons that since she took the male form more often, she would likely take a female lover. Kahaku insists that Fushi could still fall in love with a man, and then later wishes her luck in finding a sweetheart.

During their trip, Fushi (still in Parona's form) asks Kahaku whether falling in love was painful. Kahaku agrees to this statement.

When a Nokker attacked their traveling party, Kahaku uses the Nokker in his arm to save their companions.

Fanon
Although Fushi typically takes on the form of a teenaged young boy, he can take on the form of many different ages and genders, making this a non-binary ship. Kahaku first claims that he wouldn't fall in love with Fushi, but ends up doing so anyway due to Fushi's female form (Parona).

KahaFushi is not a particularly well-known ship in the fandom, because Kahaku wasn't introduced in the anime; he only appeared in the manga. Some people also prefer to ship Fushi with Mizuha (FushiMizu). Some people also think the ship is problematic because 'since' Kahaku is the reincarnation of Hayase, and Hayase treated Fushi badly, 'therefore' the ship should be bad.

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