Fics like The Deepest Secret

It’s been five years since Gon and Killua said good-bye at the World Tree, with promises to write and meet again. But for the past two and a half of those years, Killua has dropped out of contact with Gon, without explanation. A quietly heartbroken Gon has come to believe that he’ll never see his childhood friend again, and settled back into his life on Whale Island: until the day when he finds Killua on the doorstep, emotionally shattered and on the verge of physical collapse. Illumi has kidnapped Alluka, and Killua believes that Gon is the only person who can help him find her...

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