Gon and Killua Ruining the Story(MHA x HxH crossover)

Gon and Killua haven't seen each other in one year. They see each other again when all of a sudden a portal appears under them, bringing them into MHA and allowing them to meet again.(I wanted to make this because I post daily and hope to not make you guys wait-
WARNING: DEAD MITO AND GING(Ging is bad father), GON CAN GROW HIS HAIR LONG AND HAS HIS NEN BACK, BUT MAINTAINS HIS KID FORM AS HIS HAIR GROWS. CONTAINS SOME GON ANGST-