Sequel to The Kopīkyatto Shadow. Now splitting from the world tree and unsure what to do next, they decide to travel the world, showing Alluka things that she could only fantasy. Yet as they wish for an adventure without strife, a darkness waits for them in the shadows, waiting for the right moment to strike.
They run and run and run, in order to get away from their family's clutches. until they can't run anymore and one of them ends up dead and the other in another world. How will Killua react to this new world and most importantly to his sister's sacrifice in order to save his life?
Alluka sends Gon on a quest to revisit his fight with Pitou, predicted to end in either death or the recovery of his nen. Hisoka and Illumi follow in secret, staying hidden and pulling strings. As Gon searches for his fated rematch, Hisoka aims to butt into the fight of a lifetime.
Gon is spending more time with Alluka than he is Killua. Killua thinks this is because Gon is falling in love with Alluka. Is this true? Or do they have ulterior motives for spending so much time together? This story was started in 2014, but revived in 2018. Rated "T 'plus'" for now. Offensive themes: Underage drinking, mild shota themes, strong language.
The ant king is gone, but inferior colonies still lurk across the globe. After parting ways with Gon, Killua puts his skills to use dealing with these strays. Then, on one expedition, he meets with an ant who he might just have something in common with. (Post-anime canon divergence)
Killua lets Alluka travel with Gon for a while, but ends up regretting it. One-shot. Set a year after their separation.
Gon thinks over his given title, and tries to become better.
Throughout the years, Killua has jumped from one job to the next, stumped on being a contract hunter with no clear direction in life. Until he embarks on a mission that takes him straight to the Kukan'yu Islands. Just as the water weeds sway and dance in the embrace of the ocean year round; they bring him someone who can show him all sides of life, beautiful and ugly.
A passage from Killua's past. It will soon be Killua's birthday ..., together with his twin sister Kimiko Zoldyck. The only thing that worries the silver-haired boy is; what should he give his beloved sister? But Killua is sure what he wants from it ... he wants her smile, which she has not seen again for a long time ... Will Killua succeed? (One Shot)
Jealous of the attention Gon has been getting from girls (more specifically, the attention Gon is giving girls), Killua makes it a mission to find a girl, go on a date, and get lucky. OR Killua prepares for the absolute worst-case scenario, Gon having a love life, while Gon deals with the amendment to "just Killua and I forever"... he does not deal with it well.